HLSC 2P50 Lecture Notes - Lecture 8: Gynecomastia, Bulb Of Vestibule, Myotonia
1 Feb 2016
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Document Summary
Original book written do not prurient (didn"t want to appeal to those trying to get sexually aroused) Criticized because they do not focus on psychological aspects of arousal (desire) Nitric oxide (no)/cgmp smooth muscles in penis relax. Penile veins compress: cavernosa and spongiosum fill up (10x) Stimulation (touch, fantasy) signals gmp release in penis. Muscles relax; arteries dilate; veins close; spongy tissues fill with blood. Enzyme (pde5) breaks down cycle gmp, especially when stim ends erection fades. Erectogenic drugs (viagra) blocks enzyme keeps more cycle gmp (arteries open, veins compressed, keeps blood in) Lubrication blood seeping through semi permeable membranes of vaginal mucosa, beads on walls. Glans of clitoris, crura, vestibular bulbs, labia engorged. Fluid at tip of penis (cleanses out urethra) Orgasmic platform forms swelling of outer 1/3 of vagina. Inner lips change colour (colour change depends on if she"s had kids, if hasn"t had kids pink to deep red, red to deep purple if she has had kids)
