2 External Sex OrgansVulva/Pudendum – entire female region of external sex organsMons VenerisProtective, fatty cushion over the pubic boneCovered with pubic hairLabia MajoraOuter lips;Tissue folds from mons to perineum surrounding the rest of the female genitalsEngorge with blood if excited
3 All shapes, colors, and sizes! Some caveats on anatomical drawings…
4 The external genital structures of the mature female.
5 External Sex Organs Labia Minora Clitoris Inner lips; pink tissue folds between vestibule and labia majoraNo hair; many oil glands;Darken if sexually arousedClitorisSmall cylindrical erectile tissue beneath the prepuceRich in blood supply and nerve endings;Solely to provide sexual pleasure, primarily via indirect stimulation
6 THE EXTERNAL GENITAL STRUCTURES OF THE MATURE FEMALE.
7 The Underlying Structures of the Vulva Pubic boneClitoral hoodGlans of clitorisCrura of clitorisGlans of clitorisUrethral openingCaption: The underlying structures of the vulva.Vestibular bulbsLower pubic boneBartholins glandVaginal opening
8 External Sex OrgansVESTIBULERegion between the labia minoraUrethral and vaginal openings, Bartholin’s glands ducts
9 Between clitoris and vagina External Sex OrgansURETHRAL MEATUSBetween clitoris and vagina
10 Between anus and vagina External Sex OrgansPERINEUMBetween anus and vagina
11 VAGINA Internal Sex Organs 4 inch, thin-walled from the introitus to the cervix, tilted back;Organ of intercourse and canal for menses and babies
12 VAGINA Internal Sex Organs Lubricant secreted from vaginal wall openings when engorged;First 1/3 contains many nerve endings,Inner 2/3 has little nerves
13 Internal Sex OrgansVAGINAL LUBRICATIONLubrication changes vaginal pH (↑alkaline) and increases pleasureVasocongestion – Engorgement of blood vessels
14 INTERNAL SEX ORGANSGrafenberg Spot (G-spot) –spot in the lower third of anterior vaginal wall (2-3 inches up), just past the pubic boneSensitive areaAnalogous to the prostate gland
15 Cervix – Internal Sex Organs At bottom of the uterus; Doughnut-shaped Secretes mucus to help or impede sperm, depending on the monthly cycle
16 THE FEMALE INTERNAL REPRODUCTIVE SYSTEM (SIDE VIEW).
17 Internal Sex Organs UTERUS – 1-inch thick walls Between the bladder and rectumProtects fetusContractions to expel menses and fetus3 inches long, 2 inches wide
18 Internal Sex OrgansFALLOPIAN TUBES OVARIES – form of an almond shell; contain 250,000 ova each; produce estrogen!
19 Other Sex OrgansAny area can be arousing depending on:the type of stimulation andthe perceptions of the recipient
20 OTHER SEX ORGANSBREASTS– modified sweat glands that produce milk; fatty tissue,NIPPLE, AREOLASucking stimulates pituitary gland to release prolactin (begin milk synthesis) and oxytocin (release of milk)
21 The Female Maturation Cycle Female PubertyMenstruationMenopause
22 Female Puberty Begins anywhere from 8 to 17 years of age Earlier onset of menstruation may be due to being overweight; can vary by population
23 Female Puberty Puberty lasts about 3 to 5 years Begins when pituitary gland initiates release of FSH and LH, which increases the ovaries production of estrogenIncreased size of Fallopian tubes, uterus, vagina, breasts, buttocks, thighs
24 Female PubertyPelvis widensPubic hair growsDuring puberty (usually 11 or 12 years), ovulation commencesMenarche occurs during this time as well
27 Menopause A woman’s final menstrual period Climacteric – period of decreased estrogen production and menstruation stops; years, average 51 yearsTypically have irregular cycles, rather than a sudden stopSexual glands decrease in sizeSecondary sex characteristics change
28 MenopauseHormonal changes – hot flashes, headaches, sleep disturbancesSexual complaintsMenopause can be induced by surgically removing the ovaries; doctors try to keep at least one in if surgery is necessary