Main Entry: Lep·to·trich·ia Pronunciation: "lep-t&-'trik-E-& Function: noun : a genus of long filamentous gram-negativeanaerobic rod bacteria of the family Bacteroidaceae that are sometimes placed in the genus Leptothrix
Leptotrichia Lep·to·trich·i·a (lěp'tō-trĭk'ē-ə) n. A genus of anaerobic, gram-negative, filamentous bacteria that naturally occur in the oral cavity but can occur in the genitourinary tract.
