MeSH definition : A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that occurs
in the human mouth and intestine. Organisms of this genus can be opportunistic pathogens.;
MeSH annotation : in mouth & intestine; opportunistic; infection: coord IM with GRAM-NEGATIVE BACTERIAL
INFECTIONS (IM);
A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that occurs
in the human mouth and intestine. Organisms of this genus can be opportunistic pathogens.