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human sex midterm 1doc

human sex midterm 1doc - midtermreview#1 ANATOMY...

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midterm review #1 ANATOMY Ch. 2 – Women’s Bodies (know location, function, etc.) o Vulva - Entire genital area, see fig. 2.1, p. 26 Mons veneris (Mons) o fatty tissue covered by skin & pubic hair, can be sex stim, has many nerve  endings Labia majora o Outer lips; extend from mons down either side of vulva o Padded w/ fatty tissue, partially covered w/ hair o Contains nerve endings, erotically sensitive Labia minora o Inner lips, between labia majora o Hairless skin, filled w/ blood vessels & nerve endings, erotically sensitive o During arousal swell & darken due to  vasocongestion o Meet at front to form clitoral hood o Space btw left and right labia minors =  vestibule Vestibule o Clitoris, urethral opening, & vaginal openings Clitoris o Are in which inner lips meet, made up of spongy tissue
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o Has internal & external portions Glans – small sensitive, pearl-sized knob at front of vestibule whose  nerves produce sex arousal, visible Shaft – 1” length, runs upward form glans, under clitoral hood o Both glans/shaft = erectile & have 2 cavernous bodies & a spongy body that  fill w/ blood (like penis) o Continual proper stim will produce O Crura  o Internal extensions of clit, give entire structure wishbone shape, 3” long,  o enwrap portion of  urethra/urethral opening  – area where urine is  discharged vestibular bulbs  o internal portions of clitoris o curved erectile tissue that surround vestibule & underline labia minora o become erect during sex arousal, help lengthen/stiffen vag vaginal opening/introitus o rear of vestibule o entrance to vag HYMEN o incomplete/perforated membrane covering vag opening o appearances vary o no known psych function, may have cultural significance, often tied to F  virginity (“popping cherry”) o can still be present after loss of V or can be torn from tampon, mast, sports,  etc. perineum
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o erotically sensitive are btw vag opening & anus – hairless o area cut during episiotomy (?) vagina o wall is highly elastic, consists of 3 layers o inhabited by large amount of friend bacteria, acidic, has specific ph balance,  alteration can have negative effects candidiasis – yeast infection, fungal douching (p. 33 & lecture notes) o phys changes during arousal include vasocongestion – swelling of nerves & blood vessels  lubrication - secretions myotonia – muscle contractions  o Grafenberg spot (G-spot) Controversial feature, not all F believe they have it Area of heightened sensitivity on front wall of vag Anus o Orifice located behind perineum o
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