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larval in Medical News

Is RTA a new potential option for the treatment of hydatid cysts?

...aimed at causing permanent damage to the endocyst - the thin, delicate, and translucid inner membrane that produces the cystic fluid and generates new larval elements able to expand the infestation. Surgery and PAIR on liver and lung can result in biliary or bronchial fistulae, prompted by endocyst detachme...

Researchers gain ground in efforts to fight parasite infection

...n researchers treated hookworm parasites pharmacologically at the infective larval stage with dafachronic acid, causing them to pass into the "feeding" larval stage outside a host, where they had no food supply and died. Treatment of ...

As Earth Warms, Lyme Disease Could Flourish

...oderate climate of the Northeastern United States, larval deer ticks feed in the late summer, long after the... and, therefore, a shorter gap between nymphal and larval feedings. Midwestern wildlife and ticks tend t...ble the Northeast: longer gaps between nymphal and larval feeding and stronger, more persistent strains of L...

Maggots as Good as Gel in Leg Ulcer Treatments

... But while larval therapy works well, study says there's no rush to ...on. In the first randomized controlled trial of larval therapy, researchers studied 267 patients with at ...tored for up to one year. Compared to hydrogel, larval therapy significantly reduced the time to debridem...

Chemical come-on successfully lures lovesick lampreys to traps

...d for implementation. So we're excited about the possibilities." Currently, lampreys are controlled mainly by adding TFN, a compound that kills the larval stage, to freshwater streams where lampreys spawn. But there are environmental concerns about adding the chemical to streams, as well as the possibili...

Governor Rendell Proposes County Grants to Combat West Nile Virus, Protect Public Health

...Bti and Bsph are used. These bacteria attack the digestive system of the mosquito larvae, and have no effect on people, animals or plants. Another larval control product is the insect juvenile hormone, methoprene, which prevents the mosquito larvae from developing into adults. The products used to kill ...

Zebrafish provide useful screening tool for genes, drugs that protect against hearing loss

...afish, the researchers bred various fish families, with each family exhibiting a different set of mutations. The researchers then exposed five-day-old larval offspring to the drug neomycin, a type of antibiotic that damages these hair cells as well as those in the human inner ear. The larvae were then stain...

Parasites a key to the decline of red colobus monkeys in forest fragments

...ignificant pathology in monkeys: a whipworm, (Trichuris sp.), and a nodule worm (Oesophagostomum sp.). While feeding on leaves, the monkeys ingest the larval forms of these worms. The larvae mature in the intestines, where they can cause blockages or other damage. The nematodes migrate through blood vessels...

Scientists get first look at nanotubes inside living animals

...side pupal cases and emerge as adult flies. "Developmentally, the first few days of a fruit fly's life are critical," Beckingham said. "We provided larval flies with a steady diet of food that contained carbon nanotubes and checked their weight just after they emerged from their pupal cases. We found no ...

River Blindness Becoming Drug Resistant

...orms (except tapeworms), most mites, and some lice, though it is not effective against fleas, ticks, flies, or flukes. It is effective against larval heartworms (the "microfilariae" that circulate in the blood) but not against adult heartworms (that live in the heart and pulmonary arteries). But whe...
larval in Medical Technology

Mosquito Season Approaching: American Heartworm Society Reminds Pet Owners of Risk

...atory signs in cats, which are often diagnosed as feline asthma or allergic bronchitis, may actually be caused by the presence of heartworms in either larval or adult stages. The acronym "HARD" is the term for this clinical presentation and stands for Heartworm Associated Respiratory Disease. Heartworm prev...

Researchers Discover Gene For Rare Skin Disorder

... as porcupine. The Porcupine protein, which was first identified in fruit flies, was named for the pattern of spikes projecting from skin cells of the larval flys body, bearing a resemblance to the quills of a porcupine. The researchers believe mutations in the PORCN gene cause at least 75 percent of Golt...
larval in Medical Dictionary

Ticks

... the causes, symptoms, and treatment of tick -related illnesses. Ticks have long been pests of humans and animals in North Carolina. From the larval to the adult stages, ticks attach to a living host and feed on the host's blood. ... Showing our little lion dogs off to the rest of the world...

Hydatid disease

... was ... A: Echinococcosis, or hydatid disease , is infection with the larval (cystic) ... Alveolar Hydatid Disease information including symptom...jarat ... Hydatid cyst is a human parasitic disease caused by the larval stage of the ... Hydatid disease is endemic in cattle-raising areas o...

Enzyme

...he naturally ... The E1 ubiquitin-activating enzyme lies at the apex of the ubiquitination ... We find that this enzyme controls embryonic and larval development, sperm ... Information about enzyme in the free online English dictionary and encyclopedia. enzymes , ... The substrate binds to ...
larval in Biological News

New light trap captures larval stage of new species; DNA barcode technology used

VIRGINIA KEY, FLA. (Oct. 22, 2007) When David Jones, a fisheries oceanographer at the Cooperative Institute for Marine and Atmospheric Studies (CIMAS) located at the University of Miamis Rosenstiel School, set out to design a better light trap to collect young reef fishes, he never imagined his i...

Thin tough skin, slow-growing gills protect larval Antarctic fish

Very thin but hardy, unblemished skin and slow developing gills appear to be keys to survival for newly hatched Antarctic notothenioids, a group of fish whose adults thrive in icy waters because of antifreeze proteins (AFPs) in their blood. Such adaptations are important, researchers at the Unive...

Carbon nanoparticles toxic to adult fruit flies but benign to young

...at Brown University sought to determine how carbon nanoparticles would affect fruit flies from the very young to adults. The scientists found that larval Drosophila melanogaster showed no physical or reproductive effects from consuming carbon nanoparticles in their food. Yet adult Drosophila experienced...

New insights into health and environmental effects of carbon nanoparticles

... including cosmetics, pharmaceuticals, and electronics. The study focused on determining how different kinds of exposure to nanoparticles affected larval and adult fruit flies. Scientists use fruit flies as stand-ins for humans and other animals in certain kinds of research. There were no apparent ill ...

Urban water ecology at the ESA annual meeting

..." Chaves says. "This translates into an input of food for the mosquitoes." When there's more organic matter, the microorganisms flourish, he says, and larval mosquitoes can eat like kings. To make matter worse, it's possible that other aquatic insects that would feed on mosquito larvae are poisoned in se...

Tumor suppressor gene in flies may provide insights for human brain tumors

...ad a PP2A mutation, the researchers learned that flies with missing or abnormally expressed PP2A had ten times the amount of stem cell growth in their larval brains. The flies' neural stem cells did not become neurons (nerve cells) in the brain, the types of cells needed for normal function. Instead, they e...

Shellfish face an uncertain future in a high CO2 world

..."when combined with other environmental stresses, could spell disaster." larval oysters are thought to be particularly susceptible to acidification since l...red their growth and measured the amounts of calcium carbonate deposited in larval shells over the course of one month. Miller and his team found that East...

New genomic technique uncovers coral transcriptome

...combined with the latest sequencing methods, researchers have uncovered the larval transcriptome of a reef-building coral ( Acropora millepora ). Their study,... candidate genes for stress-related processes. The characterization of the larval transcriptome for this widely studied coral will enable research into the b...

You don't call, you don't write: Connectivity in marine fish populations

...week in the Proceedings of the National Academy of Sciences documents how larval dispersal connects marine fish populations in a network of marine protected...reat, open ocean. Until now, the question of just how far and wide these larval fish travel, or disperse, has been the subject of much theoretical modeling...

Host shift triggers cascading effect on ecosystem, research finds

...e can be fairly confident that the apple wasp is derived from one of the other wasp populations and has rapidly evolved into this new race." In its larval form, the apple maggot is a major pest of apples throughout the United States. Other Rhagoletis species attack cherries, walnuts and blueberries. The...
larval in Biological Technology

Sea urchin yields a key secret of biomineralization

... sharp crystalline "bones" that constitute the animal's endoskeleton at the larval stage. Similar to teeth and bones, the sea urchin spicule is a bio...wer was how this amorphous-to-crystalline transition occurs. The sea urchin larval spicule is a model system for biominerals, and the first one in which the a...

GM crops protect neighbors from pests

...other un-modified crops after 10 years. Dr. Wu and colleagues suggest that this may be because cotton is the main host for bollworm eggs, and reducing larval populations in the cotton consequently reduces the entire population and protects other crops. Bt is an insecticide derived from the spores and t...

Biolistic Gene Transfer to Generate Transgenic Schistosomes, Rev A

...sfer techniques to transiently transform adult and larval stages of the schistosome. Bi... heat shock (Wippersteg et al. 2002). Protein from larval stages was extracted 48 hr after bombar...s and carefully fixed with cover slips. larval stages were analyzed by microscopy 48 hr after ...

MicroRNA Profiling by Array Analysis Reveals Critical BioMarkers

...ein [5]. The lin-4 miRNA accumulates during the first and second larval stages and triggers passage to the third larval stage by repressing the translation of at least two genes, lin-1...
larval in Biological Definition

Apoptosis

...aught, is part of early development in many animals; it is the usual method of eliminating organs and tissues that are useful only during embryonic or larval life..." [15] . A little further on, this author lamented that too little had been done to analyze the significance of this process. Saunders, it sho...

Larva

.... The larva can look completely different from the adult form, for example, a caterpillar differs from a butterfly . Larvae often have special ( larval ) organs which do not occur in the adult form. The larvae of some species can become pubescent without actually developing into the adult form (for ...
larval in Biological Dictionary

Trematode

...ing dictionary. Pronunciation of trematode . trematode synonyms. trematode usage examples and trematode quotes. ... between two species of larval trematode in the same snail. ... The hermaphroditic, adult trematode worms mature in the intestines of definitive ... As to why trematode cer...

Symbiogenesis

... to the theory of symbiogenesis , eukaryotes, organisms whose cells have ... The most dramatic argument from the symbiogenesis camp is that the larval stage ... However, endosymbiosis and symbiogenesis do not contradict ID, nor front-loaded evolution. ... As a curiosity, symbiogenesis is an ...

Optic lobes

...cted from Optic lobe ) ... The four solid optic lobes help to decussate several fibres of the optic nerve. ... GFP expression in larval optic lobe driven by Gal4(Mz1407), mab22C10 and mab5A6 stainings ... differentiation of the optic lobes in Drosophila melanogaster. ... ...

Labium

...HighBeam.com. Free Trial, Credit Card Required. Also the food-catching structure (the labium or "mask") in many groups has ... Page: Tree of Life larval Labium and Predatory Behaviour Authored by Richard J. Rowe. ... Labium - fused, 3rd pair of feeding appendages, analogous to lower lip. ... Man...

Germline

...y a role in germ line development to localize nanos mRNA to the ... 3. L1-L3: germline proliferation, survival and differentiation. 4. Late larval and adult stages: germline proliferation and gametogenesis ... Identification of germline -enriched genes in adult hermaphrodites. 2.3. ... An...

Fecundity

...in fecun ... lifetime fecundity and preoviposition period was greatest at 15°C at 39.6 eggs per ... fecundity of mated females, and promote low larval to adult ... ...

Ecdysone

...places ... Pathway: Ecdysone 20-Hydroxyecdysone. Reaction: steroid hydroxylation at C20 ... P-450-catalyzed formation of 20-hydroxy- ecdysone in larval housefly mitochondria. ... Pronunciation of ecdysone . ecdysone synonyms. ecdysone usage examples and ecdysone quotes. ... enzyme modifies...

Ciliophora

...aphs from Microbewiki on these organisms, their description and significance, their genome, cell structure, metabolism and ecology. Only at the larval stage do Suctoria bear much resemblance to other members of Ciliophora . ... ( Ciliophora , Suctoria) on the mysid Schistomysis parkeri (Crustacea) ....
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