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Topic: Flatworm



  
 ScienceDaily: Gene Prevents "Brains Everywhere": Utah, Japanese Biologists Discover Gene That Keeps Brain In Flatworm's ...
Flatworm and human brains are so different that the human gene probably is not involved in keeping our brains in our skulls, he says.
The scientists confirmed ndk's activity in the head using a technique called "whole-mount in situ hybridization" developed for flatworms by Agata.
Another part of the study involved frog embryos instead of flatworms.
http://www.sciencedaily.com/releases/2002/10/021010072832.htm   (1919 words)

  
 FLATWORM
The cirrus pouch opens through the genital pore into a common genital atrium, located on the midventral surface anterior to the leading margin of the ventral disk.
Hence, this is one of the most studied body parts of tapeworms.
The general structure of the tegument is similar in all cestodes studied, with some variations among species.
http://faculty.pnc.edu/jcamp/parasit/flatworm.html   (15775 words)

  
 Amazon Animals invertebrates - flatworm natural history
Sorry we are still researching flatworm natural history.
http://www.junglephotos.com/amazon/amanimals/aminvertebrates/flatwormnathist.shtml   (8 words)

  
 DARD Press Article: March of the worm: an update on the New Zealand Flatworm
At the moment, our emphasis at DARD is in trying to understand more of the flatworm's basic ecology e.g.
Despite the work already done on the New Zealand flatworm, there are still many aspects of its biology which we know little about.
And most importantly - how do flatworm and earthworm populations interact?
http://www.dardni.gov.uk/pa2002/pa020079.htm   (1066 words)

  
 NZ Flatworm page
As flatworms are highly mobile, measures will be most effective when applied to all gardens within a neighbourhood.
warm, or they are bounded in such a way as to prevent the inward and outward movement of flatworms (e.g.
The last two treatments will result in the death of NZ flatworms.
http://www.kitchengardens.dial.pipex.com/flatworm.htm   (933 words)

  
 Asthma Cures Information on Asthma Cures
Parasitic worms could provide the key to finding cures for asthma and other allergies, according to new research to be unveiled today.
Borsa-Italia.Net, Italy -Parasitic worms could provide the key to finding cures for asthma and other allergies, according to new research to be unveiled today...
Parasitic worms could provide the key to finding cures for asthma and other allergies, according to new research.
http://www.searchasthma.com   (1085 words)

  
 flatworm
A marine turbellarian flatworm seems to propel itself along simply by rippling the ribbonlike edges of its flat body.
In fact, the body surface of the flatworm is covered in tiny mucus-covered hairlike projections, and the ripples create waves of mucus, through which the creature pulls itself smoothly forward, using the hairlike projections.
http://www.tiscali.co.uk/reference/encyclopaedia/hutchinson/m0007915.html   (227 words)

  
 The Sea Slug Forum - Flatworm body parts
I need a picture of a flatworm with its body parts listed where they are at!
For more information have a look at Wolfgang Seifarth's excellent Flatworm Site.
http://www.seaslugforum.net/display.cfm?id=491   (144 words)

  
 Reef Central Online Community - A flatworm observation
But I always seem to be alone is my thoughts that not only are flatworms not harmful, but beneficial.
I just monitor their activities and make sure they are not or will not start preying on any coral tissue.
I thought you were feeding phytoplankton, and thought that could be what the flatworms were growing with.
http://www.reefcentral.com/forums/showthread.php?s=&threadid=132857   (2124 words)

  
 BM Gallery - Biology Classics: Planaria
Our video program, The Biology of Flatworms, shows the feeding behavior
Please feel free to link to this site - see our link-to buttons.
of Dugesia along with other free living flatworms, flukes and tapeworms.
http://ebiomedia.com/gall/classics/Plan/planaria.html   (77 words)

  
 MSN Encarta - Flatworm
A well-developed musculature, found directly under the epidermis (skin layer), allows the body to expand and contract, thus changing the body shape to a remarkable degree.
The flatworm has no blood or vascular system.
Except in the simplest forms, one end of the body is more specialized for sensory perception, and locomotion takes place in the direction of specialization.
http://encarta.msn.com/encyclopedia_761569587/Flatworm.html   (514 words)

  
 Mather Field Vernal Pools - Flatworms
A Flatworm moves by rowing its many tiny, thin, hair-like structures called cilia on the outside of its body.
Most Flatworms have at least two eyespots close to the head end of the body.
The Flatworms in vernal pools can stick this pharynx (throat/mouth) into their prey.
http://www.sacsplash.org/critters/flatworms.htm   (355 words)

  
 flatworm
All flatworms have a soft body and a triangle-shaped head.
Flatworms are not closely related to most other "worms," such as earthworms.
Sometimes they even eat other flatworms, including their own kind!
http://www.fcps.k12.va.us/StratfordLandingES/Ecology/mpages/flatworm.htm   (507 words)

  
 New Zealand Flatworm
This is thought to occur in drier regions as the flatworm prefers wet conditions.
They could be a solution to the problem if they can be used as a biological control, but further research is needed to show that we won't be overrun by gnats instead.
They are a great threat to soil condition and the wildlife which feed on earthworms, and every means should be employed to prevent their spread and eradicate them if possible.
http://www.dgsgardening.btinternet.co.uk/flatworm.htm   (780 words)

  
 Short Take - Gregory Schiemer
Interestingly, they are shaped similar to their flatworm prey and possess two streamer-like appendages and a hammer-shaped head.
These flatworms are apparently distasteful to most fish because they accumulate toxic substances within their bodies.
As they come upon a flatworm, they fold part of their body and form a straw-like proboscis that they use to "suck" up the worms.
http://www.advancedaquarist.com/issues/may2002/short.htm   (571 words)

  
 Straight Dope Staff Report: If Flatworm A eats Flatworm B, will it absorb Flatworm B's  knowledge?
However, the original experiments on flatworm learning (probably the basis for the book comments, horribly distorted from the actual data) did not involve a maze, but rather a Y-shaped trough: when a flatworm reached the fork, the experimenters gave it a shock to induce it to turn to the right-hand fork.
This new flatworm will absorb the knowledge of the maze from the first flatworm.
In other words, instead of memory transfer, think of it as a "smart drug"--a chemical from a flatworm that has become smarter can make another flatworm smarter, but that's as far as it goes.
http://www.straightdope.com/mailbag/mflatworm.html   (485 words)

  
 References
Murchie, A. and Moore, J. Hot-water treatment to prevent transference of the ‘New Zealand flatworm’, Artioposthia triangulata.
Barnwell, G. The role of encephalization in the feeding behavior of a land planarian, Bipalium kewense.
Blackshaw, R. Changes in populations of the predatory flatworm Artioposthia triangulata and its earthworm prey in grassland.
http://flatworm.csl.gov.uk/refs.htm   (4325 words)

  
 Flatworm
A flatworm takes in oxygen, but has no formal respiratory system.
It has tiny bristles called cilia that help it move as well as two layers of muscles under its skin.
A flatworm has a very simple nervous system with two nerve cords running down either side.
http://www.mcwdn.org/Animals/Flatworm.html   (270 words)

  
 The Shape of Life . Platyhelminthes PBS
The head region of the flatworm also contains other paired sense organs, which are connected to the flatworm's simple brain.
Flatworms are bilaterally symmetrical with a defined head and tail region and a centralized nervous system containing a brain and nerve cords.
Clusters of light-sensitive cells make up what are called eyespots.
http://www.pbs.org/kcet/shapeoflife/animals/platyhelminthes.html   (140 words)

  
 Melev's Reef - Flatworm Removal
The purpose of this experiment is only to find out just how resistant they are.
Due to their extremely thin bodies, they are called flatworms correctly.
Wait and watch to see if it affects the flatworms.
http://www.melevsreef.com/flatworms.html   (935 words)

  
 - Marine Depot - Marine and Reef Aquarium Super Store
This can be reduced significantly by really siphoning out the flatworms before commencing with the treatment.
The most important factors are reducing the number of flatworms before commencing with the treatment and reducing the amount of the flatworm`s body juice, released when they die, as fast as possible.
Many people have treated their reef tank(s) successfully using Flatworm eXit without any problems.
http://www.marinedepot.com/md_viewItem.asp?idproduct=SF5111   (516 words)

  
 Chemical & Engineering News: Latest News - Flatworm Attack
Using standard analytical techniques, Ritson-Williams and Paul and Mari Yotsu-Yamashita of Tohoku University in Sendai, Japan, discovered tetrodotoxin and a few analogs in the flatworm's tissues, particularly in the animal's feeding organ.
Tetrodotoxin occurs in many marine and terrestrial creatures, but no one presumed the agent had an offensive function.
Trolling the literature for clues, the scientists found a 1987 paper by Japanese researchers who reported finding tetrodotoxin, a powerful neurotoxin first isolated from pufferfish, in another flatworm species.
http://pubs.acs.org/cen/news/84/i08/8408flatworm.html   (368 words)

  
 Various Authors, "Flatworm Eradication" ... www.reefs.org
Why I didn't post the experience to the list in May. I wish I posted this earlier so you could have possibly benefited from it, Jimmy.
I could have saved you some pain if I posted this in May. To make (lousy) amends....
As of this point I do not have enough experiences to pin point if this effect on the corals were caused by a negative reaction to Greenex, or negative reaction to the flat worm die offs.
http://www.reefs.org/library/article/flatworm_eradication.html   (1583 words)

  
 Flatworms
Home > Research Areas > Theme 3 ~ Environment and Ecology > PSI > soil ecology > Flatworms
New Zealand flatworm is a predator of the earthworms which keep our soils in good condition and are a source of food for lots of animals and birds.
The flatworm has been known to reduce earthworms to below detectable levels.
http://www.scri.sari.ac.uk/SCRI/web/site/home/ResearchAreas/MGOE/PSI/soilecology/Flatworms.asp   (309 words)

  
 Factsheetabout New Zealand flatworm
Members get online access to all our factsheets and guides.
Flatworms have now been identified at points throughout the UK.
Several other races of flatworm have been found in the UK since the introduction of A.
http://www.organicgardening.org.uk/factsheets/pc21.php   (928 words)

  
 New Zealand Flatworm
For further information on CSL's work on the New Zealand Flatworm, please click here.
The evidence for its impact on earthworm populations remains inconclusive, however its potential threat emphasises the importance of understanding the biology and ecology of this organism.
You are here: Services / Consultancy and Advisory Services / Statutory Plant Health / New Zealand Flatworm
http://www.csl.gov.uk/prodserv/cons/plant/flatworm.cfm   (154 words)

  
 Reeftank.com - My thanks to Salifert Flatworm Exit!
I can't really tell if it has affected the bristleworms or other worms in my substrate.
Luckily, I didn't have many flatworms in the tank before I noticed them, so their death didn't seem to have too much affect on the inhabitants in the tank.
Maybe I need a 3x or higher suggested dosage of Flatworm Exit in the refugium to kill the black flatworms since they did show some sign of distress upon the initial treatment.
http://www.reeftank.com/forums/showthread.php?t=77   (455 words)

  
 New Zealand Flatworm
This website describes the background, objectives and progress of ongoing research investigating the biology and ecology of the New Zealand flatworm in the UK.
The Defra Code of Practice also contains advice and information on where to send flatworms for identification
The New Zealand flatworm is not native to the United Kingdom.
http://flatworm.csl.gov.uk   (124 words)

  
 flatworm on Encyclopedia.com
Parasites make frogs grow extra legs.(flatworm found to cause deformities in frogs)(Brief Article)
A free trial at HighBeam will give you more info than you can handle.
EVOLUTION: From a Flatworm, New Clues on Animal Origins
http://www.encyclopedia.com/html/X/X-flatworm.asp   (176 words)

  
 flatworm --  Encyclopædia Britannica
Flatworms are among the most primitive bilaterally symmetrical (having a body with two identical halves) animals.
In the case of head regeneration, some blastema cells become brain tissues, others develop into the eyes, and still others differentiate as muscle or intestine.
The flatworms are free-living as well as parasitic—i.e., living on or in another organism and securing nourishment from it.
http://www.britannica.com/eb/article-9110639   (670 words)

  
 Introduction to the Platyhelminthes
Planarians are free-living flatworms, and have a much simpler life history.
Recent molecular studies suggest that the Platyhelminthes as a whole may even be polyphyletic, having arisen as two independent groups from different ancestral groups.
Flatworms have no body cavity other than the gut (and the smallest free-living forms may even lack that!) and lack an anus; the same pharyngeal opening both takes in food and expels waste.
http://www.ucmp.berkeley.edu/platyhelminthes/platyhelminthes.html   (759 words)

  
 Photograph of, and Notes on, Red Sea Flatworm
The flatworm's simple brain can interpret information and even has the capacity to learn.
Another is stimulated by the passage of water over the flatworm's body and perceived by rheotactic sensors.
These are not digested but passed to the body wall as a form of defense.
http://www.scubatravel.co.uk/flatworm.html   (364 words)

  
 Killer Flatworm: New species hunts with puffer fish toxin: Science News Online, Feb. 18, 2006
Tetrodotoxin and other toxins from marine organisms have caught the attention of biomedical researchers for basic research and drug development.
His new experiments provide an unusual look at how a flatworm uses its formidable chemistry.
A newly discovered flatworm from Guam wraps its body around a cowrie in its shell, paralyzes it with a nerve toxin, and pulls out the red body in about half an hour.
http://www.sciencenews.org/articles/20060218/fob3.asp   (684 words)

  
 ninemsn Encarta - Search Results - Flatworm
More complex than the coelenterates are flatworms such as planaria.
Flatworm, common name for soft-bodied, usually parasitic animals, the simplest of animals possessing heads.
Worms have a well-defined head and tail end and a more complex behavioural...
http://au.encarta.msn.com/Flatworm.html   (82 words)

  
 Zubi Flatworm / Plattwurm (Pseudobiceros g.)
Flatworms also have a very flattened body and dazzling colors.
At first glance this flatworm could easily be mistaken for a nudibranch.
However they don't have tentacles (rhinophores) nor gills.
http://www.starfish.ch/Fotos/flatwormpolyclad.html   (43 words)

  
 Wildlife News: New Zealand Flatworm
They are easily distinguished from earthworms in that their bodies are flatter, smoother and unsegmented.
Beetle larvae, especially Ground and Rove, seem to eat these flatworms.
One of the biggest problems with recording the spread of flatworms is that so little is known about this group of animals.
http://www.wildlifenews.co.uk/article/nzfw.htm   (950 words)

  
 Flatworm eXit, Joe's Juice, UltraLife Red Slime Remover and other medications from Salty Critter aquarium supplies
body juice is sometimes excreted when flatworms die.
However, the body juice of flatworms can be toxic to some
1) Siphon out as many flatworms as possible.
http://www.saltycritter.com/medication.htm   (268 words)

  
 [Coral-List] Acropora flatworm pest
Another method is using a drug called Levamisole.
> Are there any treatments other than iodine that will > kill or detach flatworms from living coral, without > harming the coral?
There is a commercial product called Flatworm Exit by Salifert.
http://coral.aoml.noaa.gov/pipermail/coral-list/2004-September/001353.html   (115 words)

  
 BioKIDS: Black spot flatworm (Uvulifer ambloplitis) : Information
These flatworms have a forked tail in their free-living, cercaria form.
No animals prey directly on these flatworms, although they may be eaten by filter-feeding aquatic animals during their free-living stage.
These flatworms have a negative effect on the fish populations that they infect.
http://www.biokids.umich.edu/critters/information/Uvulifer_ambloplitis.html   (306 words)

  
 Biodiversity Invs
They have a very thin skin, and can absorb oxygen and release waste gases through their permeable skin.
A cocoon containing eggs, swells in the body of the flatworm.
Being flat increases the area of skin exposed to the water, which improves the flatworm's oxygen uptake.
http://www.naturegrid.org.uk/biodiversity/invert/flatworm.html   (257 words)

  
 FLATWORM
As their name suggests, they are wormlike and flat without segments on their body.
They have a soft skin with hair, generally down the side.
Flatworms are mostly carnivorous and prey on invertebrates small enough to be captured.
http://www.bugsurvey.nsw.gov.au/html/popups/bpedia_24_vtol_fl.html   (253 words)

  
 Defra, UK - Plant Health - Flatworms
Where containers stand on black polythene or capillary matting, frequently check, where possible, the underside of the polythene or matting for the flatworm.
There are no proven chemical methods of control, but the Agricultural Departments are funding research into these and other means of control.
Egg capsules can also be found in such areas.
http://www.defra.gov.uk/planth/pestnote/flat1.htm   (558 words)

  
 “Black clocks” call time on invasive flatworm
Earthworms play a vital role in soil fertility and are an important source of food for birds and small mammals.
Apart from being unattractive, this invasive flatworm is having a serious impact on our native earthworms, particularly the large, long-lived species such as Lumbricus terrestris.
Entomologists in Belfast may finally have found a way of limiting the spread of the New Zealand flatworm, which invaded the British Isles in the 1960s.
http://www.innovations-report.com/html/reports/agricultural_sciences/report-12677.html   (601 words)

  
 sound projector review
The Flatworm covers, each of which follows the same rigid formula, are good enough to get their own paragraph in this review.
Perhaps I exaggerate a little, but there really do seem to be a fuck of a lot of them.
If CDR as a medium is as rubbish as word on the street (as it were) would have it, Fencing Flatworm may be the exception that proves the rule.
http://www.fencingflatworm.connectfree.co.uk/projectorreview.htm   (717 words)

  
 Zubi Acoelous flatworm / Korallenstrudelwurm (Waminoa sp.)
This flatworm can be a real pest, since it covers the whole surface of some corals and thus leaves them no way to catch plankton and their symbiotic algeas (Zooxanthelles) can't produce the necessary sugar.
These photos show some soft coral all covered by hundreds of tiny flatworms.
Their brown color is from the same symbiotic algeas as mentioned above.
http://www.starfish.ch/Fotos/flatwormacoela.html   (85 words)

  
 Fuchsia Flatworm
Most flatworms are very thin and have ruffled edges that undulate back and forth when they swim.
All are relatively small, to an inch or so, and most are very highly colored like this fuchsia flatworm.
Forty-four species of these flatworms occur in Hawaiian waters.
http://hbs.bishopmuseum.org/good-bad/flatworm.html   (71 words)

  
 Marine Flatworms of the World! - Introduction
Mimicry has been observed for at least some polyclad flatworm species which are found to mimic distasteful or toxic opisthobranch molluscs.
The following examples demonstrate how pseudocerotid flatworms rely on their similarity to phyllidiid and chromodorid species for protection against fish attack.
Pseudoceros imitatus (Family Pseudocerotidae, Order Polycladida), described by Newman and Cannon 1994, is an obvious example for a number of invertebrates which are very similar in shape and colour to phyllidiid nudibranchs.
http://www.rzuser.uni-heidelberg.de/~bu6/Introduction06.html   (815 words)

  
 Flatworm (Dugesia japonica) Chemical Toxicity Studies
Flatworm (Dugesia japonica) Toxicity Studies - Toxicology studies from the primary scientific literature on aquatic organisms
Note: Only partial study information is reported on these pages.
http://www.pesticideinfo.org/List_AquireAll.jsp?Species=4764   (109 words)

  
 Flatworm, created by Rizzn Do''Urden and presented through ACIDplanet.com
Flatworm, created by Rizzn Do''Urden and presented through ACIDplanet.com
http://www.acidplanet.com/artist.asp?PID=347127&T=1489   (83 words)

  
 Flatworm that eats earthworms
They are found all over the world and are a problem in some regions.
We did not know what it was; we had never seen anything like it before.
After an internet search, we found out that it's a flatworm that eats earthworms.
http://home.alltel.net/ronaldpatterson/flatworm.htm   (58 words)

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