Genus of nematodes (Aschelminthes). Ascaris suum is the common roundworm of pigs; Ascaris lumbricoides causes ascariasis in Man - though the worms are restricted to the gut they divert a substantial proportion of food intake and heavy infestation can cause growth retardation in children or in extreme cases may cause intestinal blockage. One of the WHO&`s six major diseases, and used in developmental studies.
==Morphology== ==Defense mechanism== As part of the parasite defense strategy, Ascaris roundworms secrete a series of inhibitors to target digestive and immune-related host proteases, which include pepsin, trypsin, chymotrypsin/elastase, cathepsins, and metallocarboxypeptidases (MCPs). Ascaris inhibits MCPs by releasing an enzyme known as Ascaris ...Found on http://en.wikipedia.org/wiki/Ascaris
(as´kә-ris) a genus of nematode (roundworm) parasites found in the intestines of humans and other vertebrates. A. lumbricoi´des is the largest roundworm infecting humans, causing ascariasis.Found on http://www.encyclo.co.uk/local/21001
(as´kә-ris) a nematode of the genus Ascaris.Found on http://www.encyclo.co.uk/local/21001
(plural ascarids) Large white intestinal parasite; in the horse the common ascaris is Paracaris equorumFound on http://www.gaitedhorses.net/Articles/HorseGlossary.html
- type genus of the family Ascaridae: roundworms with a three-lipped mouthFound on http://www.webdictionary.co.uk/definition.php?query=Ascaris
<organism> A genus of nematode worms, including the species of roundworm that can infect the intestines of humans and swine. Members of this genus resemble earthworms and have three-lipped mouths. ... (09 Oct 1997) ... Found on http://www.encyclo.co.uk/local/20973
genus Ascaris noun
type genus of the family Ascaridae: roundworms with a three-lipped mouthFound on http://wordnetweb.princeton.edu/perl/webwn?s=Ascaris
any of a genus of worms (order Ascaridida, class Nematoda) that are parasitic in the intestines of various terrestrial animals, chiefly herbivores. ...Found on http://www.britannica.com/eb/a-z/a/110
Ascaris: The intestinal roundworm, a worm that lives in the small intestine. Infection with ascaris is the most common worm infection in humans. It is termed ascariasis. Ascaris eggs are found in the soil. Infection occurs when a person accidently ingests (swallows) infective ascaris eggs. Once in the stomach, larvae (immature worms) hatch from the...Found on http://www.medterms.com/script/main/art.asp?articlekey=2361
Roundworm (also called maw-worm and eelworm) found in the small intestine causing colicky pains and diarrhea, especially in children.
Found on http://www.encyclo.co.uk/local/20900
Type: Term Pronunciation: as′kă-ris Definitions: 1. A genus of large, heavy-bodied roundworms parasitic in the small intestine; abundant in humans and many other vertebrates.Found on http://www.medilexicon.com/medicaldictionary.php?t=7831
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