Ehrlichia /Ehr·lich·ia/ (ār-lik´e-ah) a genus of the tribe Ehrlichieae transmitted by ticks and causing disease in dogs, cattle, sheep, horses, and humans, including the species E. ca´nis, E. chaffeen´sis, E. e´qui, and E. sennet´su.
Ehrlichia,
Ehr·lich·i·a (âr-l k  - )n. A genus of bacteria of the order Rickettsiales that occur singly or in inclusions in circulating white blood cells. |
Ehrlichia,
a genus of small spherical to ellipsoidal, nonmotile gram-negative bacteria. They occur singly or in compact inclusions in circulating mammalian leukocytes. Some species are the causative agents of ehrlichiosis and are transmitted by ticks. Two human tickborne diseases have been associated with Ehrlichia species: human monocytic ehrlichiosis caused by E. chaffeensis, and human granulocytic ehrlichiosis caused by E. equi.
Ehrlichia
a genus of bacteria in the family Anaplasmataceae, order Rickettsiales, recently reclassified so that some species are now Anaplasma and some as Neorickettsia. All are intracellular parasites of leukocytes and endothelial cells of animals or humans and require a vector for transmission. See also Rickettsia, Anaplasma, Neorickettsia.
Ehrlichia bovis
see Anaplasmabovis.
Ehrlichia canis
causes canine monocytic ehrlichiosis.
Ehrlichia equi
see Anaplasmaphagocytophila.
Ehrlichia ewingii
causes canine granulocytic ehrlichiosis.
Ehrlichia ondiri
causes ondiri disease. Called also bovine petechial fever.
Ehrlichia ovina
now Anaplasmaphagocytophila; causes benign ovine rickettsiosis.
Ehrlichia phagocytophila
see Anaplasmaphagocytophila.
Ehrlichia platys
now Anaplasmaplatys.
Ehrlichia risticii
see Neorickettsiaristicii.
Ehrlichia ruminantium
cause of heartwater in cattle and transmitted by Amblyomma spp. Previously classified as Rickettsia ruminantium and Cowdria ruminantium.
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