A subgenus of aerobic, nonmotile, nonsporeforming bacteria containing Gram-negative cocci that occur in pairs with adjacent sides flattened; these organisms are currently considered closely related to the genus Moraxella. They occur in the mucous membranes of the upper respiratory tract. The type species is B. catarrhalis. [Sara Branham]
- B. catarrhalis SYN: Moraxella catarrhalis.
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Bran·ha·mel·la (bran″hə-melґə) [Sara Elizabeth Branham, American bacteriologist, 1888–1962] Moraxella (Branhamella).Medical dictionary. 2011.