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Unformatted text preview: stratum basalis (basal layer) : forms new functional layer after menstruation blood supply : uterine arteries->arcuate arteries(myometrium)->radial branches(endometrium)->straight arteries(basal layer) & spiral (coiled) arteries (functional layer)- Vagina : thin-walled tube between bladder & rectum extending from cervix to body exterior o provides passageway for delivery of baby, for menstrual flow & for delivery of semen (& sperm) to uterine tube o urethra is embedded in anterior wall o wall consists of outer fibroelastic adventitia, smooth muscle muscularis & mucosa of stratified squamous epithelium with ridges (rugae) o cervical mucous glands supply mucus to mucosa; pH of vagina is normally acidic due to metabolism of sugars by resident bacteria (prevents infection) o hymen : incomplete mucosal partition covering vaginal orifice that is normally ruptured during first sexual intercourse page6...
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- Fall '10