Onchocerca

Onchocerca
A genus of elongated filariform nematodes (family Onchocercidae) that inhabit the connective tissue of their hosts, usually within firm nodules in which these parasites are coiled and entangled. SYN: Oncocerca. [G. onkos, a barb, + kerkos, tail]
- Onchocerca volvulus the blinding nodular worm, a species that causes onchocerciasis.

* * *

On·cho·cer·ca .äŋ-kə-'sər-kə n a genus of long slender filarial worms of the family Dipetalonematidae that are parasites of subcutaneous and connective tissues of mammals with their adults enclosed in fibrous nodules and their larvae free in the tissues
on·cho·cer·cal -kəl adj

* * *

n.
a genus of parasitic worms (see filaria) occurring in central Africa and central America. The adult worms are found in fibrous nodules within the connective tissues beneath the skin and their presence causes disease (see onchocerciasis). Various species of black fly, in which Onchocerca undergoes part of its development, transmit the infective larvae to humans.

* * *

On·cho·cer·ca (ong″ko-surґkə) [oncho- + Gr. kerkos tail] a genus of nematode parasites of the superfamily Filarioidea that infect humans and ruminants. The adults live and breed in subcutaneous fibroid nodules; the young (the microfilariae) are carried by the lymph and are found chiefly in the skin, subcutaneous connective tissues, and eyes.

Medical dictionary. 2011.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • Onchocerca — Adult Black Fly with Onchocerca volvulus emerging from the insect s antenna. Scientific classification Kingdom …   Wikipedia

  • Onchocerca — volvulus Onchocerca volvulus …   Wikipédia en Français

  • onchocerca — ● onchocerca nom masculin Ver nématode parasite, agent de l onchocercose …   Encyclopédie Universelle

  • Onchocerca — n. a genus of parasitic worms (see filaria) occurring in central Africa and central America. The adult worms are found in fibrous nodules within the connective tissues beneath the skin and their presence causes disease (see onchocerciasis).… …   The new mediacal dictionary

  • Onchocerca volvulus — Systematik Klasse: Secernentea Ordnung: Spiru …   Deutsch Wikipedia

  • Onchocerca tubingensis — Scientific classification Kingdom: Animalia Phylum: Nematoda Class …   Wikipedia

  • Onchocerca tubingensis — Systematik Klasse: Secernentea Ordnung: Spirurida Überfamilie: Filarioidea Familie: Onchocercidae …   Deutsch Wikipedia

  • Onchocerca volvulus — Onchocerca volvulus …   Wikipédia en Français

  • Onchocerca volvulus — O. volvulus, the causative agent of river blindness Scientific classification Kingdom …   Wikipedia

  • Onchocerca volvulus —   Onchocerca volvulus …   Wikipedia Español

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”