Maintains proper temp o stimulation of the scrotum is

This preview shows page 48 - 52 out of 92 pages.

Maintains proper tempoStimulation of the scrotum is sexually arousing to most menInternalTesticlesoIn scrotumoTwin egg’shaped structuresoHave two main function (= ovaries in women)Produce spermSecrete sex hormonesoFigure 3.10 on pg. 75Seminiferous tubulesoLocated inside each testisoConvoluted microscopic tubesoProduction of sperm (spermatogenesis)SpermoProduced in seminiferous tubulesoHead - contains genetic infooTail – motilityoFertilization of the ovum (egg)oEach man produces about 100 million sperm per day!!!
Interstitial CellsoBetween seminiferous tubules in testisoSecrete sex hormonesEpididymisoOne on each testicleoConvoluted tubeoSite of sperm maturation and storageVas DeferensoAka the vasoIn-between the epididymis and the ejaculatory ductoTube structureoTransport and storage of mature sperm epididymis ejaculatory ductEjaculatory ductoFormed by the junction of the vas and duct of seminal vesicleoEmpties into the urethra within the prostateProstate GlandoLocated at the base of the bladder that surrounds the urethraoA single gland slightly larger than a walnutoProstate secretions (a cloudy, alkaline fluid) are a majorcomponent of semenoRead boxes 3.3 and 3.4 on disordersof the testicles andprostate gland (pg. 77-78)Seminal VesiclesoSituated to either side of the prostate (located behind thebladder)oTwo glandsoNot storage areas for spermoAdd their secretions to semenBulbourethral Glands & PrecumoAka the cowper’s glands
oNear the root of the penis (below the prostrate gland)oTwo pea-sized glandsoTheir secretions (often called “pre-cum”) are excreted prior toejaculationSemenoThick, cloudy, off white liquidoExpelled from the male urethra at ejaculationoSperm = 1% volume of semen99% combination of fluids secreted by prostate (~30%)and the seminal vesicles (~70%)oKnow the differences between ejaculations, emissionsSex Hormones in MenoAndrogens:Mainly testosteronePromotes expression of male typical gender traitsResponsible for maintaining the sex drive in menoEstrogensRequired for male fertilityoProgestinsNecessary for the proper functioning of androgens andestrogens within the male bodyoNote: Females also have these sex hormones but functiondifferentlyAttractionFantasyoA common mode of sexual arousaloAn imagined experience, sexual or otherwise (mentallyundressing classmates during a boring lecture)oM engage in sexual fantasy than WoContent of sexual fantasies varies greatlyoGender differences in content of fantasies (fig 5.9 pg. 144)
oThe only behavior that W fantasized about more than M wasgetting marriedoM are more adventurous in their fantasiesoW fantasize about behaviors that they have already engagedin while M fantasize about activites that they had neverengaged inoGay/lesbian fantasies are similar to straight fantasiesoM and W fantasies tend to be consistent with stereotypesabout M and W sexuality

Upload your study docs or become a

Course Hero member to access this document

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 92 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Winter
Professor
BALDWIN
Tags
Sociology, Human Sexuality, The Land, partner, Sexual intercourse, Human sexual behavior, male

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture