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Life cycle of Trichuris trichiura inside and outside the human body. The female T. trichiura produces 2,000–10,000 single-celled eggs per day. [3] Eggs are deposited from human feces to soil where, after two to three weeks, they become embryonated and enter the "infective" stage.
Trichuris trichiura egg Adult worms are usually 3–5 centimetres (1.2–2.0 in) long, with females being larger than males as is typical of nematodes. The thin, clear majority of the body (the anterior, whip-like end) is the esophagus, and it is the end that the worm threads into the mucosa of the colon.
Trichuris (synonym Trichocephalus [1]), often referred to as whipworms or the silent serpent (which typically refers to T. trichiura only in medicine, and to any other species in veterinary medicine), is a genus of parasitic helminths from the roundworm family Trichuridae.
The genus Trichuris is particularly well known for being a common parasite of domestic animals and less usually humans. Its common name "whipworm" refers to the shape of these worms; they look like whips with wider "handles" at the posterior end. The genera of Trichuridae are: [1] Capillostrongyloides Freitas & Lent, 1935; Liniscus
The life cycle can be completed in seven to ten days under optimal conditions, but may take up to two months in adverse circumstances. ... Trichuris trichiura ...
The life cycle of Trichuris vulpis begins with the adult whipworms living in the large intestines of dogs. T. vulpis lay many eggs in the large intestine and are released in the feces into the outside environment. When eggs are released into the outside environment, these unembryonated eggs are able to form embryos in the soil in about 2–4 ...
Trichuris suis is a whipworm; the variations in thickness of the anterior and posterior segments give the parasite the characteristic "whip-like" appearance. Adult females measure 6 to 8 cm and adult males 3 to 4 cm. T. suis eggs are oval (60 × 25 μm) and yellow-brown with bipolar plugs. [ 1 ]
Trichuriasis, which is caused by Trichuris trichiura; Soil-transmitted helminthiasis is classified as one of the neglected tropical diseases projected to be controlled/eradicated by 2020 through the London Declaration on Neglected Tropical Diseases. [4]