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词汇 Trichuris muris
分类 英语词汇 英语翻译词典
释义

Trichuris muris

英语百科

Trichuris muris

Trichuris muris is a nematode parasite of mice. It is very similar to the human roundworm parasite Trichuris trichiura due to its immunological reactivity when crossed, and so is often used in related studies. Ingesting material that contains embryonated eggs allows for transmission and infection to occur. The eggs travel down to the cecum - a pouch located at the start of the large intestine - where larval hatching is induced. The larvae proceed to penetrate through the mucosal epithelium, then molt into their secondary stage of infection after 9–11 days. Seventeen days after infection, the larvae arrive at the tertiary stage followed by a quaternary molt 5 days later. The larvae complete their last molt 29 days post-infection and transform into mature dioecious adults. These whipworms utilize their anterior ends to embed themselves into the cells that line the walls of the large intestine. After establishing their place in the intestinal wall, the adult worms mate and release unembryonated eggs into the environment via the feces.

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