Wuchereria bancrofti

Wu·cher·e·ri·a ban·croft·i

the bancroftian filaria, a species endemic in the South Pacific islands, coastal China, India, and Myanmar, and throughout tropical Africa and northeastern South America (including certain Caribbean islands). Transmitted to humans (apparently the only definitive host) by mosquitoes, especially Culex quinquefasciatus and Aedes pseudoscutellaris, but also by several other species of Culex, Aedes, Anopheles, and Mansonia, depending on the specific geographic area. Adults are white, 40-100 mm, cylindric, threadlike worms, and the microfilariae are ensheathed, with a rounded anterior end and a tapered, nonnucleated tail; the adult worms inhabit the larger lymphatic vessels (for example, in the lower extremities, breasts, spermatic cord, and retroperitoneal tissues) and the sinuses of lymph nodes (for example, the popliteal, femoral, and inguinal groups, as well as the epitrochlear and axillary nodes), where they sometimes temporarily obstruct the flow of lymph and cause slight to moderate inflammation.

Wu·cher·e·ri·a ban·crof·ti

(vū-kĕr-ē'rē-ă ban-krof'tī) The bancroftian filaria, transmitted to humans (apparently the only definitive host) by mosquitoes, especially Culex quinquefasciatus and Aedes pseudoscutellaris, but also by several other species of Culex, Aedes, Anopheles, and Mansonia, depending on the specific geographic area; adults are white, threadlike worms, and the microfilariae are ensheathed, with rounded anterior end and tapered, nonnucleated tail; the adult worms inhabit the larger lymphatic vessels (e.g., in the extremities, breasts, spermatic cord, and retroperitoneal tissues) and the sinuses of lymph nodes, where they sometimes cause temporary obstruction of lymph flow and slight or moderate inflammation.

Wuchereria bancrofti

A parasitic worm that is the causative agent of elephantiasis. Adults of the species live in human lymph nodes and ducts. Females give birth to sheathed microfilariae, which remain in internal organs during the day but at night are in circulating blood, where they are sucked up by night-biting mosquitoes, in which they continue their development, becoming infective larvae in about 2 weeks. They are then passed on to humans when the mosquito bites. Synonym: Filaria bancroftiSee also: Wuchereria

Wucherer,

Otto, German physician, 1820-1873. Wuchereria bancrofti - the bancroftian filaria.Wuchereria - genus of filarial nematodes.wuchereriasis - infection with worms of the genus Wuchereria.

单词	wuchereria bancrofti
释义	Wuchereria bancrofti Wu·cher·e·ri·a ban·croft·i the bancroftian filaria, a species endemic in the South Pacific islands, coastal China, India, and Myanmar, and throughout tropical Africa and northeastern South America (including certain Caribbean islands). Transmitted to humans (apparently the only definitive host) by mosquitoes, especially Culex quinquefasciatus and Aedes pseudoscutellaris, but also by several other species of Culex, Aedes, Anopheles, and Mansonia, depending on the specific geographic area. Adults are white, 40-100 mm, cylindric, threadlike worms, and the microfilariae are ensheathed, with a rounded anterior end and a tapered, nonnucleated tail; the adult worms inhabit the larger lymphatic vessels (for example, in the lower extremities, breasts, spermatic cord, and retroperitoneal tissues) and the sinuses of lymph nodes (for example, the popliteal, femoral, and inguinal groups, as well as the epitrochlear and axillary nodes), where they sometimes temporarily obstruct the flow of lymph and cause slight to moderate inflammation. Wu·cher·e·ri·a ban·crof·ti (vū-kĕr-ē'rē-ă ban-krof'tī) The bancroftian filaria, transmitted to humans (apparently the only definitive host) by mosquitoes, especially Culex quinquefasciatus and Aedes pseudoscutellaris, but also by several other species of Culex, Aedes, Anopheles, and Mansonia, depending on the specific geographic area; adults are white, threadlike worms, and the microfilariae are ensheathed, with rounded anterior end and tapered, nonnucleated tail; the adult worms inhabit the larger lymphatic vessels (e.g., in the extremities, breasts, spermatic cord, and retroperitoneal tissues) and the sinuses of lymph nodes, where they sometimes cause temporary obstruction of lymph flow and slight or moderate inflammation. Wuchereria bancrofti A parasitic worm that is the causative agent of elephantiasis. Adults of the species live in human lymph nodes and ducts. Females give birth to sheathed microfilariae, which remain in internal organs during the day but at night are in circulating blood, where they are sucked up by night-biting mosquitoes, in which they continue their development, becoming infective larvae in about 2 weeks. They are then passed on to humans when the mosquito bites. Synonym: Filaria bancroftiSee also: Wuchereria Wucherer, Otto, German physician, 1820-1873. *Wuchereria bancrofti* - the bancroftian filaria.Wuchereria - genus of filarial nematodes.wuchereriasis - infection with worms of the genus Wuchereria.
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