Female Reproductive System study guide.docx

Perimetrium serous layer visceral peritoneum

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Perimetrium serous layer (visceral peritoneum) Myometrium interlacing layers of smooth muscle Endometrium mucosal lining Stratum functionalis (functional layer) changes in response to ovarian hormone cycles. Shed during menstruation Stratus basalis (basal layer) forms new functionalis after menstruation. Unresponsive to ovarian hormones. 7. What part of the uterine wall is shed during menstruation? Stratum functionalis 8. Describe the blood supply of the uterus. Uterine arteries arise from internal iliacs, branch into Arcuate arteries in myometrium, branch into Radial arteries in endometrium, branch into Straight arteries stratum basalis Spiral arteries stratum functionalis
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Degenerate and regenerate, spasms shedding of functionalis layer during menstruation 9. Describe the location, structure and functions of the vagina. Extends between bladder and rectum from cervix to exterior, urethra parallels course anteriorly, embedded in anterior walls. Layers: Fibroelastic adventitia, smooth muscle muscularis, stratified squamous mucosa rugae Dendritic cells in mucosa may provide route for HIV transmission. Functions as birth canal and organ of copulation 10. Describe the structures of the female external genitalia. Mons pubis fatty area overlaying pubic symphysis Labia majora hair covered, fatty skin folds. Counterpart of male scrotum Labia minora skin folds lying within labia majora Joins at posterior end of vestibule fourchette Vestibule – recess within labia minora Greater vestibular glands flank vaginal opening, homologous to bulbo-urethral glands. Release mucus into vestibule for lubrication Clitois anterior to vestibule Glans of the clitoris exposed portion Prepuce of the clitoris hoods glands, counterpart of glans penis Perineum diamond shaped region between pubic arch and coccyx. Bordered by ischial tuberosities laterally. 11. Describe the structure of the mammary glands. Modified sweat glands made of 15-25 lobes , functions in milk production Areola pigmented skin surrounding nipple Suspensory ligaments (cooper’s ligaments) attach breast to underlying muscle
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