Anaplasma phagocytophilum


A·na·plas·ma pha·go·cy·to·phil·um

(an'ă-plaz'mă fā'gō-sī-tŏ-f'il-um) A bacterial species that causes human granulocytic ehrlichiosis; also causes tick-borne fever in cattle; spread by ticks (Ixodes), it occurs in the United States in the Middle Atlantic states, southern New England, and the lower Midwest.

Anaplasma phagocytophilum

(an″ă-plaz′mă fag″ŏ-sī-tof′ĭ-lŭm) A small gram-negative coccus that is an obligate intracellular parasite. It can be transmitted to humans by tick bite and is the cause of the disease formerly known as human granulocytic ehrlichiosis (now known as anaplasmosis). It was formerly called Ehrlichia phagocytophila.