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The ingested third-stage larva migrates from the gastric wall and its migration results in the symptoms associated with infection by gnathostomiasis. [3] The third-stage larvae don't return to the gastric wall preventing it from maturing into adult worms, leaving the life cycle incomplete.
Schistosomiasis, also known as snail fever, bilharzia, and Katayama fever [1] [2] [9] is a disease caused by parasitic flatworms called schistosomes. [5] It affects the urinary tract or the intestines. [5]
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The signs and symptoms of helminthiasis depend on a number of factors including: the site of the infestation within the body; the type of worm involved; the number of worms and their volume; the type of damage the infesting worms cause; and, the immunological response of the body. Where the burden of parasites in the body is light, there may be ...
At its most complete, a crustacean's life cycle begins with an egg, which is usually fertilised, but may instead be produced by parthenogenesis.This egg hatches into a pre-larva or pre-zoea.
The manca (plural: mancae) is the post-larval juvenile in some crustaceans.The manca stage is the defining characteristic of a clade called Mancoida which comprises all the member of the Peracarida except the Amphipoda. [1]
Pneumonoultramicroscopicsilicovolcanoconiosis is the longest word in the English language.The word can be analysed as follows: Pneumono: from ancient Greek (πνεύμων, pneúmōn) which means lungs
Marine larval ecology is the study of the factors influencing dispersing larvae, which many marine invertebrates and fishes have. Marine animals with a larva typically release many larvae into the water column, where the larvae develop before metamorphosing into adults.