Selected Normal Human Flora Flashcards
Oral Cavity
Viridans streptococci; Peptococcus; Peptostreptococcus; Eikenella; Haemophilus
Upper Airways
S. pneumoniae; S. pyogenes; Neisseria sp; H. influenzae; ±S. aureus (nose)
Skin
S. epidermidis; S. aureus; Corynebacterium; Propionibacterium
Lower Airway
Normally Sterile
Stomach
±H. pylori
Small Intestine (proximal)
Lactobacillus; Enterococcus
Small Intestine (distal)
Lactobacillus; Enterococcus; Bacteroides; Coliforms
Large Intestine and Rectum
Bacteroides; Fusobacterium; Bifidobacterium; Clostridium; Enterococcus; Lactobacillus; S. bovis; Coliforms (E. coli, Enterobacter, Citrobacter)
Everywhere
S. epidermidis; Corynebacterium
Genitourinary Tract
Lactobacillus; Corynebacterium; Streptococcus; Candida; E. coli
note: in urinary tract, only the anterior urethra should be colonized