| culicide | An agent that destroys mosquitoes. (05 Mar 2000) |
|---|---|
| culicifuge | 1. Driving away gnats and mosquitoes. 2. An agent that keeps mosquitoes from biting. Origin: L. Culex, gnat + fugo, to drive away (05 Mar 2000) |
| Culicoides | A genus of minute biting gnats or midges, vectors of several nonpathogenic human filariae (Mansonella, Dipetalonema), of Onchocerca in horses and cattle, and of several viral agents of domestic sheep and fowl. Origin: L. Culex, gnat (05 Mar 2000) |
| Culicoides austeni | Species that is an intermediate host of the filarial worm, Mansonella perstans, chiefly in equatorial Africa. (05 Mar 2000) |
| Culicoides furens | Species that is a vector of Mansonella ozzardi, in the West Indies. (05 Mar 2000) |
| Culicoides milnei | A species that is one of the vectors of Mansonella perstans in West Africa. (05 Mar 2000) |
| Culicoides variipennis | A species that is the primary vector of bluetongue virus in the U.S. (05 Mar 2000) |
| culicosis | Dermatitis caused by Culex mosquitoes. (05 Mar 2000) |
| Culiseta melanura | A species of mosquito that is the principal endemic vector of eastern equine encephalomyelitis virus; since this species feeds primarily on birds, other mosquitoes (Aedes spp.) transmit the virus from birds to humans and horses. (05 Mar 2000) |
| cull | Any item of production picked out for rejection because it does not meet certain specifications. Chip culls and utility culls are specifically defined for purposes of log grading by percentage of sound wood content. (05 Dec 1998) |
| cull section | A log cut from a tree that is rejected because of defects making it unsuitable for conventional forest products. (05 Dec 1998) |
| cull tree | Live saw-timber and pole-timber size trees which do not contain a merchantable sawlog due to poor form, quality, or undesirable species. (05 Dec 1998) |
| Cullen's sign | <clinical sign> Periumbilical darkening of the skin from blood, a sign of intraperitoneal haemorrhage, especially in ruptured ectopic pregnancy. (05 Mar 2000) |
| Cullen, Thomas | <person> U.S. Gynecologist, 1868-1953. See: Cullen's sign. (05 Mar 2000) |
| culm | <plant biology> An aerial stem (in grasses, sedges, rushes, etc.) which bears flowers. (06 Aug 1998) |