A subgenus of aerobic, nonmotile, non-spore-forming 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 Branhamella catarrhalis.
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.