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| | Dissection - Wikipedia, the free encyclopedia |
 | | Dissection is often performed as a part of determining a cause of death in autopsy (on humans) and necropsy (on animals) and is an intrinsic part of forensic medicine, such as would be practiced by a coroner. | | | Dissection is usually performed by students in courses of biology, botany and anatomy and in association with medical and arts studies. | | | Dissection is usually the process of disassembling and observing something to determine its internal structure and as an aid to discerning the function and relationships of its components. |
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http://en.wikipedia.org/wiki/Dissection
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| | eMedicine - Dissection, Aortic : Article by John Wiesenfarth, MD, MS, FACEP, FAAEM |
| | Electrocardiogram of a patient presenting to the ED with chest pain; this patient was diagnosed with aortic dissection. | | | The pain of aortic dissection typically is distinguished from the pain of acute myocardial infarction (AMI) by its abrupt onset. | | | Consider thoracic aortic dissection in the differential diagnosis of all patients presenting with chest pain. |
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http://www.emedicine.com/EMERG/topic28.htm
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| | Aortic Dissection Principal Health News |
| | Type A dissections, because they involve the early part of the aorta and have the potential to block blood flow to the brain, require immediate medication to reduce blood pressure, followed by surgery to repair the dissection. | | | Type B, depending on the location and severity of the dissection, may be treatable by medication alone or by a combination of medication and surgery. | | | This is actually the most important part of battling this emergency condition, as aortic dissection is often mistaken for gastrointestinal distress, musculoskeletal pain, or a heart attack. |
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http://www.principalhealthnews.com/topic/aorticdissection
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| | THE MERCK MANUAL, Sec. 16, Ch. 211, Diseases Of The Aorta And Its Branches |
| | Medical therapy is generally recommended for patients with distal aortic dissection, except those in whom the dissection may have leaked, those with limb or visceral ischemia, and those with symptomatic or enlarging aneurysms. | | | Occasionally, dissection presents with symptoms referable to an acutely occluded artery (eg, stroke, MI or intestinal infarction, paraparesis or paraplegia from interruption of the blood supply to the spinal cord, an ischemic limb). | | | The objective of surgery is to excise as much of the dissected aorta as possible, obliterate entry into the false channel, and reconstitute the aorta with a synthetic graft. |
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http://www.merck.com/mrkshared/mmanual/section16/chapter211/211b.jsp
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| | National Anti-Vivisection Society - Animals in Education - Main Page |
| | When dissection was introduced into the educational curriculum in the 1920s, it was thought to be a good learning tool in the study of anatomy, physiology and the theory of evolution. | | | When a student exercises his or her right not to dissect, they are helping to create an environment where respect for animals is considered the norm. | | | Year after year, millions of animals die to demonstrate basic anatomy and physiology that could easily be taught by more humane means. |
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http://www.navs.org/education/education_main.cfm?SectionID%3DEducation
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| | Core77 Articles: Dissection: The autopsy of a Product |
| | As is the case of any scientific dissection, the ability to learn about our specimen begins with the quality of the cadaver. | | | As designers and engineers, we spend much of our time justifying new processes, materials, and manufacturing techniques to our clients, when, in fact, many of us aren’t daily consumers of the products we create. | | | However, if we can learn how products live, and in turn degrade, we can make better choices in our material selections, manufacturing processes, and their applications. |
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http://www.core77.com/reactor/07.04_petro01.asp
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| | [Regents Prep Living Environment] Laboratory: Dissection |
| | The pictured dissection equipment from left to right is (1.) a teasing or dissection needle which used to pull apart muscle tissue, (2) dissecting scissors which are used to cut through tissue, and (3) a scalpel, which is a knife used to slice through and cut tissue. | | | Different teachers may have their own preferences in terms of their emphasis on the tissues and organs to be observed in a dissection. | | | Usually the dissection procedure involves tying the organism down firmly on the dissection pan, cutting the organism open on its ventral side (as pictured below), and pinning its tissues and muscles back to observe its internal organs. |
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http://regentsprep.org/Regents/biology/units/laboratory/dissection.cfm
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| | MedlinePlus Medical Encyclopedia: Aortic dissection |
| | This usually occurs in the thoracic (chest) portion of the aorta, but may also occur in the abdominal portion. | | | Chest x-ray -- may show mediastinal (chest) widening or pleural effusion (fluid in the lining of the lung) | | | location may change -- pain typically moves distally (to arms and legs) as the aortic dissection progresses in the same direction |
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http://www.nlm.nih.gov/medlineplus/ency/article/000181.htm
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| | Limitations on Dissection during the Renaissance |
| | Religious principles, such as the belief in the global resurrection of the body, cultural principles, such as family honor, and other superstitions interfered with the acceptance of dissection and caused restrictions to be placed on what bodies could be used for dissection. | | | This caused restrictions to be placed on what bodies could be dissected, and therefore limited the supply of bodies for dissection. | | | As a result of these limitations and the lack of acceptance, sometimes less effective means had to be used in place of human dissection. |
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http://www.umd.umich.edu/casl/hum/eng/classes/220/KRLeo2.html
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| | Dissection Tiling |
| | Dissection is also closely related to the Banach-Tarski paradox (which concerns itself with similar set-theoretic partitions). | | | Since this emphasis is somewhat different from previous work on the subject, many of the dissections here are new. | | | However to my knowledge none have been explicitly constructed. |
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http://www.ics.uci.edu/~eppstein/junkyard/distile
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| | Animal Protection Institute - Alternatives to Dissection |
| | Cast in explicit detail, this "dissectable" human brain allows students to carefully explore the spatial and functional relationships of the pineal gland, quadrigeminal bodies, optic thalamus, nerve roots and ventricles. | | | The Frog is an alternative to frog dissection, providing a detailed review of anatomy, physiology and behavior. | | | Frog Dissection is an anatomy tutorial with step-by-step dissection procedures, color graphics, body structure definitions, and 50-100 review questions. |
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http://www.api4animals.org/doc.asp?ID=685
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| | New England Anti-vivisection Society (NEAVS) |
| | Dissection in medical school is often performed on human cadavers. | | | Respect for Life: Dissection teaches some children that humans need not respect other forms of life on this planet. | | | Others feel that students must undergo a "rite of passage" to become prepared for medical or veterinary careers. |
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http://www.neavs.org/esec/animals_education/dissection_description.htm
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| | Gale Encyclopedia of Medicine: Radical neck dissection |
| | Radical neck dissection is a group of surgical operations used to treat cancers in the head and neck. | | | For example, it is not uncommon following radical neck dissection for the person to have stooped shoulders and limited head and neck rotation as a consequence of nerves cut during surgery. | | | Many neck cancers can be treated with radical neck surgery. |
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http://www.findarticles.com/p/articles/mi_g2601/is_0011/ai_2601001158
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| | Dissection: Alternatives |
| | One point I would like you to think about and consider is, if you are doing dissection in your class use common sense. | | | The web is still being worked on to improve the navigation but it is a good way to learn the parts of the body. | | | This is appropriate for younger ages who want to learn the basic brain parts. |
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http://www.suite101.com/article.cfm/science_for_kids/14975
(883 words)
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| | Radical neck dissection |
| | As a result, it is common following radical neck dissection for a person to have stooped shoulders, limited ability to lift the arm, and limited head and neck rotation and flexion due to the removal of nerves and muscles. | | | Depending on how many structures are removed, a person who has had a radical neck dissection may require physical therapy to regain use of the arm and shoulder. | | | The patient should tell the anesthesiologist about all drug allergies and all medication (prescription, non-prescription, or herbal) that he or she is taking. |
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http://www.healthatoz.com/healthatoz/Atoz/ency/radical_neck_dissection.jsp
(993 words)
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| | Aortic Dissection |
| | These dissections can be treated medically (usually only briefly) or with interventional catheterization or open surgical techniques. | | | The main difference between pain resulting from dissection of the aorta, and angina due to lack of blood supply to the heart muscle, is its sudden and intense onset. | | | This pain may be confused with angina (commonly referred to as "chest pain" and a warning sign of a possible heart attack). |
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http://www.hearts.sutterhealth.org/health/conditions/aortic_disst.html
(797 words)
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| | eMedicine - Dissection, Carotid Artery : Article by Sean O Henderson, MD |
| | The 3 most common presenting scenarios for internal carotid artery dissection (intracranial and extracranial) are headache, transient ischemic attack (TIA) and/or stroke, and oculosympathetic paresis. | | | Recurrence of neck pain suggests extension or recurrence of the dissection. | | | Thus, strokes resulting from carotid dissection may have a hemodynamic or embolic origin. |
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http://www.emedicine.com/emerg/topic82.htm
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| | Res00016 Medical Student Dissection of Cadavers Improves Performance ...... |
| | They are not encouraged to do this if they are disrupting dissection progress, however, and most students elect to visit the laboratory only at the end of each day's dissection, to see the result of that session's work. | | | In that study, the students were studying cardiac anatomy using cadaver dissection augmented by a computer-based program (with control groups getting either no additional instruction, dissection only, or the computer-based program only). | | | If for any reason a teaching session was clearly substandard, and the group did not recognize the problem, the grader was instructed to intervene, clarify the material, and instruct the group to perform the entire session again at a later time; this may have occurred once since the entire program was started. |
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http://www.med-ed-online.org/res00016.htm
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| | PETAKiDS > Save animals > Animal Testing / Dissection > Cutout Dissection |
| | Biology is the study of life and should teach respect for life, not devalue it by treating living beings as disposable objects. | | | State your position in writing, be calm and polite, and ask for a prompt response. | | | Check out what David Gallagher has to say about dissection on PETA TV. |
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http://www.petakids.com/disindex.html
(1979 words)
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| | National Association of Biology Teachers |
| | When the teacher determines that the most effective means to meet the objectives of the class do not require dissection, NABT acknowledges the use of alternatives to dissection including, models and the various forms of multimedia. | | | Classroom experiences that involve nonhuman animals range from observation to dissection. | | | As with any instructional activity, the use of nonhuman animals in the biology classroom must have sound educational objectives. |
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http://www.nabt.org/sub/position_statements/animals.asp
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| | Carolina Biological: Dissection Fact Sheet |
| | Many educators strongly feel that there is no substitute for the hands-on, learning experience of dissection. | | | Furthermore, "Classroom experiences that involve nonhuman animals range from observation to dissection. | | | The National Association of Biology Teachers states, "The NABT acknowledges that no alternative can substitute for the actual experience of dissection or other use of animals and urges teachers to be aware of the limitations of alternatives." |
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http://www.carolina.com/general/departments/dissection.asp
(660 words)
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| | Fetal pigs are good dissection specimens. |
| | Dissection engages students in "observational and kinesthetic learning that instills a recognition an appreciation for the three dimensional structure of the animal body, the interconnections between organs and organ systems, and the uniqueness of biological material."(2) | | | While there are some interesting differences between pigs and humans (see some comments under the 'hints and tips' page), the most important things are very similar. | | | Dissection allows students to "test the thruthfulness" of what they see in books.(3) |
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http://www.goshen.edu/bio/PigBook/dissectionadvantages.html
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| | LAB 18 71.125 |
| | Dissection of the Frog Brain and Spinal Cord |
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http://www.umanitoba.ca/faculties/science/biological_sciences/lab18/biolab18_1.html
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| | Dissection Campaign Packet |
| | Campaign for Dissection Choice Flowchart maps out the steps a student should take when dissection is being taught and the student wants to perform an alternative assignment. | | | Problems with Dissection lists the humane, social, pedagogical, and environmental problems with dissection. | | | Dissection vs. Alternatives: Comparative Studies is a list of scientific references that demonstrate that students learn the material as good as, if not better than, students who dissect animals. |
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http://www.hsus.org/ace/11369
(707 words)
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| | "inQuiry Almanack" - BioPoint - May, 1998 |
| | During the crayfish dissection, we first observed many of the external parts of the anatomy. | | | Inside the earthworm we observed the intestine that ran throughout the body. | | | After completing the dissections was had a test, or lab practical. |
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http://www.fi.edu/qa98/biology/biopoint9.html
(494 words)
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| | KIDS & TEENS EDUCATION LCA - Last Chance for Animals |
| | Unlike the former, alternatives such as CD ROMS can be used time and time again, therein permitting students to practice the techniques as many times as they need to truly learn the material. | | | Numerous studies have shown that students using humane alternatives learn as well, if not better, than students who dissect. | | | Computer programs such as Visifrog and The Rat Stack |
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http://www.lcanimal.org/edu/edu_005.htm
(961 words)
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| | earthworm dissection |
| | In this lab, you will dissect an earthworm in order to observe the external and internal structures of earthworm anatomy. | | | Separate each septum from the central tube using a dissecting needle, and pin down each loosened bit of skin. | | | Look for two pairs of tiny testes in segments 10 and 11. |
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http://sps.k12.ar.us/massengale/earthworm_dissection.htm
(961 words)
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| | DAYBREAK - 'Virtual' Dissection Developed at Stanford |
| | Although it's not the first virtual frog, the researchers say it is the most detailed anatomically -- it can be viewed from any angle and allows viewing of many layers of its internal anatomy. | | | "The virtual creature, and the tools to explore, dissect and reconstruct it, will complement existing techniques such as class lectures, textbooks, lab experiments, and dissections." The mission of the virtual frog is to enhance the "biological and life sciences curriculum in secondary schools by introducing new computer-based learning methods." | | | Thanks to researchers at Stanford University, dissection of frogs can now be done without the yucky stuff, like blood and the stench of formaldehyde. |
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http://www.ucsf.edu/daybreak/1998/07/10_frog.html
(236 words)
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| | External Anatomy of the Heart- Anterior View |
| | Sheep Heart Interactive tutorial with views of dissected sheep heart... | | | Quizzer 2 on EKG arrhythmias such as heart blocks, PAC, digitalis effect etc... |
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http://www.gwc.maricopa.edu/class/bio202/cyberheart/anthrt.htm
(268 words)
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| | Crayfish dissection |
| | In this lab, you will observe the external structures of a crayfish and dissect it to study its internal structures and systems. | | | Like all crustaceans, a crayfish has a fairly hard exoskeleton that covers its body. | | | Place a crayfish on its dorsal side in a dissection tray. |
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http://sps.k12.ar.us/massengale/crayfish_dissection.htm
(1518 words)
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| | super book! - Dissections: Plane & Fancy |
| | With an emphasis on using as few pieces as possible, these geometrical puzzles have prompted ingenious approaches, leading to many beautiful and elegant constructions. | | | Returning to the example of a regular octagon to a square: The dissection can be generated by the "completing the tessellation" technique (which I explain carefully, along with many other solution methods). | | | But the solution methods for those cases do not seem to work for 8, 15 and 17. |
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http://www.cs.purdue.edu/homes/gnf/book.html
(553 words)
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| | Video |
| | These web pages and multi-media presentations are meant as a supplement to in-lab dissections and should be used to prepare for upcoming disssections or as a means to review dissecting techniques. | | | They should NOT be used as an alternative to actually doing the dissections in the laboratory setting. | | | Special thanks to Craig Scott for his excellent dissection technique and to Karen Hagen for the filming and to Bio-Ditrl for the support in the production of these videos. |
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http://www.biology.ualberta.ca/courses.hp/zoo.225/Exam/test.htm
(183 words)
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| | Starfish Dissection |
| | This project will show the internal and external organs of a starfish and engage students to interact with this program. | | | The intent of this web site is to teach students how to dissect a starfish and learn its anatomy. | | | This tutorial is a step by step guide through the dissection of the starfish. |
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http://library.thinkquest.org/13008
(96 words)
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| | Virtual Frog Dissection Kit Version 2.2 |
| | We will not be able to help you with your homework (see biology-related information for help). | | | This award-winning interactive program is part of the "Whole Frog" project. | | | If someone has done such a page for a fetal pig, cat, etc., we'd be interested in hearing about it. |
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http://www-itg.lbl.gov/ITG.hm.pg.docs/dissect/info.html
(205 words)
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| | The Geometry Junkyard: Dissection |
| | General techniques for cutting any polygon into pieces that can be unfolded and refolded to form the polygon's mirror image. | | | This somewhat technical paper on the theory of Dehn invariants (used to determine whether there exists a dissection from one polyhedron to another) makes the theory more computationally effective. | | | Connections between knot theory and dissection of hyperbolic polyhedra. |
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http://www.ics.uci.edu/~eppstein/junkyard/dissect.html
(1060 words)
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| | Dissection Alternatives / a Physicians Committee for Responsible Medicine (PCRM) site |
| | Dissection Alternatives / a Physicians Committee for Responsible Medicine (PCRM) site | | | The bright 17-year-old high school student recently discussed her concerns with a teacher who was planning a dissection exercise. | | | Learn more about introducing your school to dissection alternatives in the What You Can Do section. |
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http://www.dissectionalternatives.org
(227 words)
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| | Starfish Dissection |
| | PURPOSE: To study the internal and external anatomy of a starfish MATERIALS: A preserved specimen, dissecting pan, scalpel or razor blade, probe, hand lens CLASSIFICATION: Kingdom - Animalia Phylum - Echinodermata 1. | | | Eggs of starfishes and sea urchins can readily be obtained in quantity and fertilized as needed; hence, they serve for study in embryonic development and in many experimental researches on animal eggs. | | | INTERNAL DISSECTION With the starfish in water and the aboral surface uppermost, use stout scissors to cut off the extreme tip of each arm of the trivium. |
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http://www.d91.k12.id.us/www/skyline/teachers/robertsd/starfish.htm
(624 words)
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| | New England Anti-vivisection Society (NEAVS) |
| | This in no way contributed to my future career as a veterinarian; and, in fact, nearly derailed my dreams." (Read more) | | | This interactive program is part of the "Whole Frog" project. | | | Simulated dissection of the fetal pig provides an alternative exercise for students in introductory biology and a material review prior to lab exams. |
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http://www.neavs.org/esec/toolsforteachers/toolteachers_dissection_websites.htm
(366 words)
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| | Anatomically Correct: The Online Cat Dissection |
| | You can dissect a cat, learn about multiple features of its anatomy, and then test your skills on the material you learned. | | | Expand your knowledge on cat anatomy by dissecting a cat, viewing labeled diagrams and live video. | | | Teachers can also print out worksheets and other materials! |
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http://library.thinkquest.org/15401
(106 words)
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| | The Virtual Fetal Pig Dissection |
| | Our simulation of the dissection of the fetal pig was designed to provide an alternative exercise for students in our introductory biology class as well as provide review material for students prior to their lab practical exam. | | | If you want a fuller explanation of why we developed this simulation please read our essay published in 1999. | | | Please help us improve this site and justify to funding agencies that their money was well spent. |
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http://www.whitman.edu/offices_departments/biology/vpd
(104 words)
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| | Ethical Science & Education Coalition (ESEC), NEAVS' educational afilliate. |
| | [ Objecting to Dissection ] [ Passing Choice Policies ] [ Model Policy ] [ Keeping Girls and Women in Science ] [ Special Needs Students ] [ Dissection Experience Form ] | | | ESEC offers a variety of services to support the use of humane alternatives to traditional dissection in classrooms including: | | | ESEC’s current mission as the educational affiliate of the New England Anti-Vivisection Society, is to replace the harmful use of animals at all levels of education and professional training. |
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http://www.neavs.org/esec.html
(305 words)
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| | LBNL DSD Whole Frog Project |
| | Try out this award-winning virtual frog- as a case in point. | | | William Johnston conceived and guided the Whole Frog Project. | | | Read an introductory lecture on the Whole Frog project that explains its pedagogical and technological basis, or a summary paper that emphasizes its Web aspects. |
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http://www-itg.lbl.gov/ITG.hm.pg.docs/Whole.Frog/Whole.Frog.html
(1064 words)
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| | Dissection Technique; Cartilage, Bone & Musculoskeletal Systems |
| | Videos can be viewed with the free RealPlayer from http://www.real.com | | | Make sure to understand how tissues, organs, and body systems fit together into an integrated organism. | | | Work slowly in the beginning, do not hesitate to ask questions. |
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http://www.biosci.ohiou.edu/introbioslab/Bios171/171_2.htm
(132 words)
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| | KidWings |
| | With everyone's help, we will make our goal. | | | Click here to see a list of school's that have contributed to KidWings. | | | Click here to go on to the Virtual Owl Pellet Dissections. |
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http://www.kidwings.com/owlpellets/index.htm
(140 words)
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| | National Anti-Vivisection Society - Animals in Education - Dissection Loan Program |
| | Today, there are many opportunities for students to study the sciences through nonanimal methods, which are more effective and often less expensive than using actual animals. | | | To that end, NAVS has developed the Dissection Alternatives Loan Program to provide students, educators--even entire school--with effective state-of-the-art alternative models and computer programs to substitute for the use of once-live animals in classroom dissection exercises. | | | NAVS acquires new alternatives on a regular basis; so if the alternative you would like isn't listed, please call for the most up-to-date selections. |
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http://www.navs.org/education/dissection_loan_program.cfm?SectionID%3DEducation
(198 words)
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| | New England Anti-vivisection Society (NEAVS) |
| | Under the stress of forced dissection — or dog lab, or any other harmful use of an animal — education is thwarted. | | | When forced to use animals in ways the student objects to, the student is traumatized and invariably learns less. | | | I chose not to take a science class my senior year and took computer science instead of a lab science in college. |
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http://www.neavs.org/esec/student_concerns/student_concerns_index.htm
(492 words)
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| | Binary Dissection: Variants & Applications |
| | We have developed and implemented several variants of the binary dissection approach that attempt to remedy this limitation, are faster than the basic algorithm, can be applied to a variety of problems, and are amenable to parallelization. | | | Binary dissection is a technique that has been widely used to partition non-uniform domains over parallel computers. | | | The basic dissection algorithm does not consider the perimeter, surface area or aspect ratio of the two sub-regions generated at each step and can thus yield decompositions that have poor communication to computation ratios. |
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http://www.icase.edu/library/reports/rdp/97/97-29RDP.tex.refer.html
(330 words)
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| | Dissection - Melodic Black Metal/Heavy Metal |
| | The first Dissection album may be a clearer vision of this band, but this release is sleeker with a more warlike dedication to functionality within art. | | | Unlike most of black metal however, this is not ideological music; there is no "save the world" or "destroy the world" mentality here. | | | Sonorous and often gentle, this album embraces a different aesthetic from black metal in its wavelike complement and recursion, with an emphasis on motion and structure in a style consistent from speed metal through the renaissance of death metal. |
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http://www.anus.com/metal/dissection.html
(811 words)
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| | Fetal Pig Dissection Guide |
| | Designed to work with students' natural dissecting style | | | Each important structure is identified by bold type and underlining at the beginning of a paragraph describing the structure | | | Dissection instructions are written to be as clear and accurate as possible |
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http://www.goshen.edu/bio/PigBook/pighome.html
(294 words)
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