| babesia bovis | A species of protozoa that is a cause of bovine babesiosis. Ticks of the genera boophilus, rhipicephalus, and ixodes are the chief vectors. (12 Dec 1998) |
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| Babesia caballi | Species that is a cause of equine babesiosis in many parts of the world, including the southeastern U.S.; vector ticks are species of Dermacentor, Hyalomma, and Rhipicephalus. (05 Mar 2000) |
| Babesia canis | Species found in dogs, wolves, and jackals in many tropical and subtropical areas of the Americas, Europe, Asia, and Africa; it is most pathogenic in dogs, causing mild to severe canine babesiosis, the severest disease occurring in dogs imported into areas where the disease is enzootic; the most important vector is Rhipicephalus sanguineus. (05 Mar 2000) |
| Babesia divergens | Commonest species of Babesia in western and central Europe, causing a disease of cattle similar to that produced by Babesia bovis; vector tick is Ixodes ricinus; it has caused human babesiosis in splenectomised individuals in France, Ireland, Scotland, Croatia, Georgia, a part of the former Soviet Union, and Sweden; also found in reindeer. (05 Mar 2000) |
| Babesia equi | Species that occurs in horses, mules, donkeys, and zebras; it has a geographic distribution similar to that of Babesia caballi, but is smaller and more pathogenic, causing equine babesiosis. (05 Mar 2000) |
| Babesia felis | Species found in domestic and wild members of the cat family, chiefly in Africa and India, causing babesiosis less severe than that caused by Babesia canis. (05 Mar 2000) |
| Babesia gibsoni | Species that infects dogs, wolves, and jackals, chiefly in India, Sri Lanka, and China, and is smaller than Babesia canis; only slightly pathogenic for the natural host, the jackal, but highly pathogenic in the dog. (05 Mar 2000) |
| Babesia microti | A malaria-like protozoan naturally parasitizing certain rodents (Peromyscus and Microtus spp.) in North America; a number of human cases have been reported from Nantucket and Martha's Vineyard islands and nearby coastal New England. The local tick vector is Ixodes dammini, whose numbers and infection levels have greatly increased in recent years with the increase in the deer population, which serves as an abundant blood source for I. Dammini. See: Borrelia burgdorferi. (05 Mar 2000) |
| Babesia motasi | Species that causes acute or chronic disease of sheep and goats in southern Europe, Africa, the Middle East, the area formerly known as the U.S.S.R., and other areas; transmitted by ticks of the genera Rhipicephalus, Haemaphysalis, and Dermacentor. (05 Mar 2000) |
| Babesia ovis | Species described from sheep and goats in many tropical and subtropical areas of the eastern hemisphere as a cause of icterohematuria; it is smaller and less pathogenic than Babesia motasi, and immunologically distinct. (05 Mar 2000) |
| Babesia trautmanni | Species that causes mild or fatal babesiosis in pigs in southern Europe, the area formerly known as the U.S.S.R., and Africa; the vector is Rhipicephalus sanguineus. (05 Mar 2000) |
| babesiasis | <microbiology> A parasitic disease affecting mammals which is caused by protozoa from the genus Babesia of the order Piroplasmida and is transmitted by ticks. The Babesia protozoa feed on the blood of mammals. Symptoms include high fever, anaemia, and red urine (haemoglobinuria). (09 Oct 1997) |
| Babesiidae | A family of protozoan parasites (class Sporozoea, order Piroplasmida) occurring in the red blood cells of various mammals. The organisms are piriform, round, or oval in shape and reproduce by schizogony to form tetrads or by binary fission to form pairs in the red blood cells; transmission is effected by ticks. The family includes the genera Babesia, Echinozoon, and Entopolypoides; Aegyptianella, formerly included, is now thought to be a rickettsia. See: Theileriidae. (05 Mar 2000) |
| babesiosis | <microbiology> A rare, often severe (and sometimes fatal) illness in man that is caused by infection with the protozoal organism, Babesia microti. The disease, transmitted by ticks, occurs mostly in the Northeastern United States. The protozoan invades red blood cells causing fever, chills, sweats, joint pains, nausea, vomiting and red blood cell haemolysis (rupture) leading to anaemia. (27 Sep 1997) |
| babillard | <zoology> The lesser whitethroat of Europe. Synonym: babbling warbler. Origin: F, a babbler. Source: Websters Dictionary (01 Mar 1998) |