Streptococcus vestibularis

**Semantic type:** Bacterium

**Definition:** A species of facultatively anaerobic, Gram positive, cocci shaped bacteria in the phylum Firmicutes. This species is alpha hemolytic, alpha glucosidase and urease positive and negative for catalase and arginine deaminase. It is able to ferment lactose but not mannitol, sorbitol, inulin, or raffinose. S. vestibularis is found in the human oral cavity and is not a known human pathogen.

**Synonyms:** - STREPTOCOCCUS VESTIBULARIS