Canadian Medical Guide > Organisms > Bacteria > Gram-Positive Bacteria > Gram-Positive Cocci Terms and Definitions

Gram-Positive Cocci

	Deinococcus - A genus of gram-positive aerobic cocci found in the soil, that is highly resistant to radiation, especially ionizing radiation (RADIATION, IONIZING). Deinococcus radiodurans is the type species.
	Peptococcaceae - A family of bacteria found in the mouth and intestinal and respiratory tracts of man and other animals as well as in the human female urogenital tract. Its organisms are also found in soil and on cereal grains.
	Peptostreptococcus - A genus of gram-positive, anaerobic, coccoid bacteria that is part of the normal flora of humans. Its organisms are opportunistic pathogens causing bacteremias and soft tissue infections.
	Ruminococcus - A genus of gram-positive bacteria in the family Lachnospiraceae that inhabits the RUMEN; LARGE INTESTINE; and CECUM of MAMMALS.
	Sarcina - A genus of gram-positive, anaerobic bacteria whose organisms divide in three perpendicular planes and occur in packets of eight or more cells. It has been isolated from soil, grains, and clinical specimens.
	Staphylococcaceae - Family of gram-positive, facultatively anaerobic bacteria, in the order Bacillales. Genera include Gemella, Macrococcus, Salinicoccus, and STAPHYLOCOCCUS.
	Streptococcaceae - Gram-positive non-sporing bacteria including many parasitic, pathogenic, and saprophytic forms.

Gram-Positive Cocci Medical Definitions and Terms