The predominant organism in vaginal secretions from normal women of reproductive age is:
a. lactobacilli.
b. Streptococcus agalactiae.
c. Enterobacteriaceae.
d. staphylococci.
A
The lining of the normal human genital tract is a mucosal layer made up of transitional, columnar, and squamous epithelial cells. Various species of commensal bacteria colonize these surfaces, causing no harm to the host except under abnormal circumstances and helping prevent the adhe-rence of pathogenic organisms. The flora of the female genital tract varies with the pH and es-trogen concentration of the mucosa, which depends on the host's age. Lactobacilli are the pre-dominant organisms in secretions from normal, healthy vaginas.
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