Anaplasmataceae

plural noun

An·​a·​plas·​ma·​ta·​ce·​ae ˌa-nə-ˌplaz-mə-ˈtā-sē-ˌē How to pronounce Anaplasmataceae (audio)
: a family of parasitic bacteria of the order Rickettsiales that are found inside of membrane-bound vacuoles within cells (such as red or white blood cells) of various vertebrates and invertebrates and are classified in several genera including the genera Anaplasma and Ehrlichia
The family Anaplasmataceae includes animal disease agents known for many years as well as emerging pathogens of humans.Ulrike G. Munderloh et al., in Tick-borne Diseases of Humans, 2005

Word History

Etymology

borrowed from New Latin, from Anaplasmat-, stem of Anaplasma anaplasma + -aceae -aceae

First Known Use

circa 1960, in the meaning defined above

Time Traveler
The first known use of Anaplasmataceae was circa 1960

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Cite this Entry

“Anaplasmataceae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Anaplasmataceae. Accessed 21 Nov. 2025.

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