(Medical Xpress) -- Efforts to help people with learning impairments are being aided by a species of sea snail known as Aplysia californica. The mollusk, which is used by researchers to study the brain, has much in common ...
Dec 26, 2011
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New UCLA research indicates that lost memories can be restored. The findings offer some hope for patients in the early stages of Alzheimer's disease.
Dec 19, 2014
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Neuroscientists at The University of Texas Health Science Center at Houston (UTHealth) have taken a major step in their efforts to help people with memory loss tied to brain disorders such as Alzheimer's disease.
Apr 17, 2013
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Researchers at the Indiana University School of Medicine have discovered a peptide that short circuits a pathway for chronic pain. Unlike current treatments this peptide does not exhibit deleterious side effects such as ...
Jun 5, 2011
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Many of the drugs we use today started their journey from bench to bedside in a computer. But this is certainly not the case for all drugs. Indeed, many have exotic origins, including the blockbuster drugs Wegovy and Ozempic, ...
Sep 6, 2023
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University of Queensland researchers have identified a unique pain pathway targeted by a notorious Australian stinging tree and say it could point the way to new, non-opioid pain relief.
May 4, 2023
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Severe forms of malaria such as Plasmodium falciparum may be deadly even after treatment with current parasite-killing drugs. This is due to persistent cyto-adhesion of infected erythrocytes even though existing parasites ...
Feb 18, 2021
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Schistosomiasis is a severe infectious disease caused by parasitic worms. As an intermediate host, freshwater snails play a central role in the life cycle of the parasite. In a recent study published in the journal Scientific ...
Mar 5, 2020
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For the majority of people on Earth, parasites are a fact of life. These organisms live inside the human body, causing debilitating or fatal diseases. Among the parasitic diseases, one of the very worst is schistosomiasis, ...
Jan 17, 2020
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Snails are well known for their lack of speed and their ability to upset gardeners. But there is growing scientific interest in the familiar sticky trail of slime they leave behind—and the medicinal value it may contain.
Nov 14, 2019
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The word snail is a common name for almost all members of the molluscan class Gastropoda that have coiled shells in the mid adult stage. When the word snail is used in a general sense, it includes sea snails, land snails and freshwater snails.
Snails lacking a shell or having only a very small one are usually called slugs. Snails that have a broadly conical shell that is not coiled or appears not to be coiled are usually known as limpets.
Snails can be found in a wide range of environments from ditches, deserts, and the abyssal depths of the sea. Although most people are familiar with terrestrial snails, land snails are in the minority. Marine snails have much greater diversity and a greater biomass. The great majority of snail species are marine. Numerous kinds can be found in fresh water and even brackish water. Many snails are herbivorous, though a few land species and many marine species are omnivores or predatory carnivores.
Snails that respire using a lung belong to the group Pulmonata, while those with gills form a paraphyletic group, in other words, snails with gills are divided into a number of taxonomic groups that are not very closely related. Snails with lungs and with gills have diversified widely enough over geological time that a few species with gills can be found on land, numerous species with a lung can be found in freshwater, and a few species with a lung can be found in the sea.
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