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| | Lens (anatomy) - Wikipedia, the free encyclopedia |
 | | The proteins are arranged in approximately 20,000 thin concentric layers, with a refractive index (for visible wavelengths) varying from approximately 1.406 in the central layers down to 1.386 in less dense cortex of the lens | | | During the fetal stage, the development of the lens is aided by the hyaloid artery. | | | The lens is flexible and its curvature is controlled by ciliary muscles. |
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http://en.wikipedia.org/wiki/Lens_(vision)
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| | The Crystalline Lens |
| | Through this opening, the lens nucleus is removed, either as a whole or by dissolving it into tiny pieces and vacuuming out the pieces, a procedure called phacoemulsification. Next, the lens cortex also is sucked out, leaving the lens capsule in place, and into the lens capsule is inserted the artificial lens implant. | | | This adjustment in lens shape, to focus at various distances, is referred to as accommodation or the accommodative process and is associated with a concurrent constriction of the pupil. | | | This normal condition is known as presbyopia, and it is due both to a lessening of flexibility of the crystalline lens and to a generalized weakening of the ciliary muscle which causes the lens to accommodate (change focus). |
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http://www.tedmontgomery.com/the_eye/lens.html
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| | BASIC MOTOR PATHWAY |
| | Therefore it is crucial to understand the anatomy of the motor pathway. | | | The corticospinal tract originates as the axons of pyramidal neurons in layer V of (mainly) primary motor cortex. | | | The motor pathways are pathways which originate in the brain or brainstem and descend down the spinal cord to control the |
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http://thalamus.wustl.edu/course/basmot.html
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| | Lens Anatomy and Types of Cataracts |
| | When describing the anatomy of the lens, the terms "primary lens fibers" and "secondary lens fibers" are not normally used. | | | The layer of cells that covers the anterior surface of the lens would then be said to be located along the anterior surface of the lens cortex. | | | Each layer of secondary lens fibers originated from opposite sides of the periphery of the lens and individual lens fibers meet to form the sutures. |
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http://www.dogstuff.info/lens_anatomy_kral.html
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| | Cortex - Wikipedia, the free encyclopedia |
| | Cortex (anatomy), the outermost or superficial layer of an organ | | | Cortex (journal), a scientific journal founded in 1964 and produced by Masson Publishing | | | Cortex (botany), the outer portion of the stem or root of a plant |
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http://en.wikipedia.org/wiki/Cortex
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| | Sensory processing in the pallium of a mormyrid fish |
| | The teleost telencephalon is vastly different from the mammalian, developing by inversion, lacking a laminated cortex and quite different in the tracts and connections, particularly of sensory pathways; homologies are not yet agreed upon (Northcutt, 1995; Nieuwenhuys et al., 1998). | | | Although, the pallium is one of the most intensely studied structures in mammals, in nonmammalian brain physiology it is perhaps the most neglected. | | | The apparent clustering of visual responses in the lateral pallium suggests that further sampling might have revealed visual areas in the Dcd and/or Dcm. |
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http://cogprints.org/112/00/gnath10.html
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| | aboitizetal |
| | The cerebral cortex arises mostly from the embryonic pallium and is characterized by the expression of genes of the Emx and the Otx families (Puelles and Rubenstein 1993; Simeone et al. | | | This process was accompained by major changes in the pattern of termination of some sensory afferents into the pallium, especially those sensory pathways that use the mesencephalon as a relay to access the thalamus. | | | One important point in these considerations is that perhaps one of the major innovations in mammalian brain evolution was the confluence of the lemniscal and mesencephalic sensory pathways (especially visual) in the dorsal pallium, and their convergence in the amygdala and hippocampus. |
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http://bbsonline.cup.cam.ac.uk/Preprints/Aboitiz/Referees
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| | Lens Anatomy |
| | The central compactly arranged fibers of the lens form the 'nucleus', while the periphery is called the cortex. | | | Accordingly the lens capsule becomes taut or relaxes, thus changing the thickness of the lens, thus, the eye becomes focused for distance or near. | | | The zonules are connected to the ciliary body. |
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http://members.tripod.com/manisha_b/Cataract/Lens.htm
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| | Radiology Links : Reviewed Links : Neuroanatomy |
| | Neuroanatomy Index at http://www.geocities.com/medinotes/neuroanatomy_index.htm has a variety of topics such as General Topography of the Brain The Spinal Cord and its Blood Supply, The Brainstem, Reticular Formation, Cranial Nerves, Auditory System, Diencephalon, Hypothalamus Visual System, Functional Aspects of Cerebellum, Basal Ganglia, Limbic System, Cerebral Cortex etc. | | | Neuroanatomy : A Brief Tutorial http://www.neuropat.dote.hu/fr_brain.htm is a basic primer on anatomy of the brain featuring levels correlating with slices. | | | Neuroanatomy Lab Resource at http://courses.temple.edu/neuroanatomy/lab/ is a site from Temple University School of Medicine's Department of Anatomy and Cell Biology, created by Marvin Sodicoff, and adapted by Rod Bain and Andrew Blum. |
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http://www.refindia.net/rlinks/reviewedlinks/neuroanatomy.htm
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| | CVA19S00 |
| | Part of cerebrum [the dorsal pallium] becomes greatly enlarged, forming the isocortex (or neocortex), a greatly expanded thin sheet of gray matter (unmyelinated nerve cells), for correlation, association and learning, which becomes the dominant part of brain. | | | Involved in memory and emotional behaviour (associated with cingulate cortex, a part of the isocortex)]. | | | The DVR is derived from a different part of the telencephalon during development [the lateral pallium], so it is not homologous to the isocortex [derived from the dorsal pallium]. |
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http://webpages.marshall.edu/~hurlburt/310lec19.html
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| | Susan Sesack - Prefrontal Cortex and Limbic Circuitry |
| | Fuster JM (1997) The Prefrontal Cortex: Anatomy, Physiology, and Neuropsychology of the Frontal Lobe, Third Edition. | | | Cognition, emotion and autonomic responses: the integrative role of the prefrontal cortex and limbic structures. | | | We have asked Dr. Sesack to give us an overview of the functional anatomy of the brain regions involved in emotion, and to sketch briefly their known (or presumed) functions. |
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http://www.andrew.cmu.edu/user/tmaia/NeuralBasesOfEmotionSeminar/page4.html
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| | The Cerebral Cortex and the Rat - The MIT Press |
| | In the second section, what is known about the organization of the rat's cortex, its development, anatomy, and electrical activity is detailed and an overview provided Motor functions are addressed in the third section, which offers a complete analysis of the behavior of the decorticated rat. | | | The association cortex is the subject of section five, and plasticity of the neocortex is discussed in the final section which takes up issues related to the effect of gender and environment, experience and perceptual competencies, sparing, recovery, and transplants. | | | It outlines what is known about the anatomical, neurochemical, physiological, and behavioral organization of the cerebral cortex of the rat and relates this to work done on other mammals, especially primates (including humans). |
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http://mitpress.mit.edu/catalog/item?ttype=2&tid=9069
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| | 96 Specialty |
| | The predominant eye problem in the breed and at the clinic % was cataracts, so I have prepared a section on lens anatomy and terminology used to describe these abnormalities to accompany a description of the problem. | | | The new fibers that are produced after birth (the outer layers) are termed the cortex. | | | An example would be a punctate anterior cortex cataract and an intermediate posterior cortex cataract. |
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http://www.beaconforhealth.org/CERF-Specialty.htm
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| | Search for Color 'Center(s)' in Macaque Visual Cortex -- Tootell et al. 14 (4): 353 -- Cerebral Cortex |
| | Tootell RB, Hamilton SL (1989) Functional anatomy of the second visual area (V2) in the macaque. | | | Landisman CE, Ts’o DY (2002) Color processing in macaque striate cortex: relationships to ocular dominance, cytochrome oxidase, and orientation. | | | Fischer B, Boch R, Bach M (1981) Stimulus versus eye movements: comparison of neural activity in the striate and prelunate visual cortex (A17 and A19) of trained rhesus monkey. |
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http://cercor.oxfordjournals.org/cgi/content/full/14/4/353
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| | BASIC MOTOR PATHWAY |
| | Therefore it is crucial to understand the anatomy of the motor pathway. | | | The corticospinal tract originates as the axons of pyramidal neurons in layer V of (mainly) primary motor cortex. | | | In the precentral gyrus, the motor cortex doesn't receive much in the way of sensory input, so layer IV is indistinct. |
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http://thalamus.wustl.edu/course/basmot.html
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| | Consciousness and Neuroscience |
| | Fuster JM (1997) The prefrontal cortex: anatomy, physiology, and neuropsychology of the frontal lobe, third ed. | | | We would therefore predict that patients unfortunate enough to have lost their entire prefrontal cortex on both sides (including Broca's area) would not be visually conscious, although they might still have well-preserved, but unconscious, visual-motor abilities. | | | In one extreme form this would mean that, at one time or another, any neuron in cortex and associated structures could express the NCC. |
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http://www.klab.caltech.edu/~koch/crick-koch-cc-97.html
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| | Daniel J. Felleman, Ph.D. |
| | A tutorial in this laboratory would provide experience in many different aspects of cortical physiology and anatomy including surgery and semi-chronic recording from monkey cortex, neuroanatomical pathway tracing techniques, as well as the applications of 3-D computer graphics to modern neuroanatomy and visual physiology. | | | Similar techniques are used to study the plasticity of visual cortex following retinal injury. | | | The research in my laboratory is directed towards an understanding of the functional organization of visual cortex in monkeys. |
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http://gsbs.gs.uth.tmc.edu/tutorial/felleman.html
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| | Eyes and the argument from design [Athro, Limited] |
| | This is an optical illusion that tells us something about the anatomy of the eye, and something about the way our nerves process information from the eye. | | | Basic anatomy - cornea, lens, iris, retina, optic nerve. | | | The nerves from our eyes travel to the back of our brain, where they are mapped out into an area called the visual cortex. |
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http://www.athro.com/evo/eyes1.html
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| | anatomy.www |
| | INTRODUCTION Plant anatomy, one of the most important branches of botany, is valuable for students in basic sciences, general biology, pharmacy, medicine, and agriculture. | | | Cortex The ground tissue found beneath the epidermis which surrounds the central cylinder and is delimited from the vascular cylinder by endodermis is called cortex. | | | It is clearly delimited from the cortex because of the presence of the endodermis. |
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http://www.vet.purdue.edu/bms/intl/nourtext/anatomy.www
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| | Publications at the Graybiel Lab |
| | Gould, B.B. and Graybiel, A.M. (1976) Afferents to the cerebellar cortex in the cat: Evidence for an intrinsic pathway leading from the deep nuclei to the cortex. | | | Graybiel, A.M. Guide to the anatomy of the brain: the basal ganglia. | | | Parthasarathy, H.B. and Graybiel, A.M. (1997) Cortically driven immediate-early gene expression reflects modular influence of sensorimotor cortex on identified striatal neurons in the squirrel monkey. |
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http://web.mit.edu/bcs/graybiel-lab/pub.html
(5457 words)
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| | Eye, Brain, and Vision |
| | cortex's anatomy, it was puzzling to find the physiology so boring. | | | in the visual cortex seemed to work very much like cells in the retina: they | | | I have already mentioned that the flow of information in the cortex takes |
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http://neuro.med.harvard.edu/site/dh/b16.htm
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