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. Author manuscript; available in PMC: 2009 Sep 1.
Published in final edited form as: Curr Opin HIV AIDS. 2008 Sep;3(5):567–573. doi: 10.1097/COH.0b013e32830891bb

Figure 1.

Figure 1

Comparative histology of the vaginal mucosa of a human (A) and rhesus macaque (B). Note the similarities in the thickness and the arrangement of the the squamous epithelium. Vaginal biopsies were obtained from a normal woman in the luteal phase of the menstrual cycle prior to initiating a study to examine the effects of progestins on the vaginal epithelium (45) and from a normal rhesus macaque in the luteal phase.