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NUR 150 Human Sexuality Sexual Anatomy. FEMALE SEXUAL ANATOMY AND PHYSIOLOGY.

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Presentation on theme: "NUR 150 Human Sexuality Sexual Anatomy. FEMALE SEXUAL ANATOMY AND PHYSIOLOGY."— Presentation transcript:

1 NUR 150 Human Sexuality Sexual Anatomy

2 FEMALE SEXUAL ANATOMY AND PHYSIOLOGY

3 Betty Dodson

4 Genital Self-Exam  Increases sexual comfort  Monitor for changes related to health concerns

5 p. 80

6 The Vulva  External female genitalia  Mons veneris: “mound of Venus” Roman goddess of love and beauty  Labia majora & minora

7 The Vulva

8 The Clitoris  Analogous to penis  Only function = sexual arousal  Clitoral stimulation most common way women achieve orgasm  Consider female genital mutilation

9 The Underlying Structures of the Vulva

10 The Vulva  Vestibule (inside the labia minora)  Urethral opening  Vaginal introitus (opening) Hymen  Perineum  Episiotomy

11 Underlying Structures  Vestibular bulbs  Bartholin’s glands  Pelvic floor muscles  Kegel exercises: conscious, voluntary engagement of muscles increases health, strength, blood flow and pleasure  During arousal and orgasm these muscles involuntarily contract

12 Kegel excercise

13 Underlying Structures

14 Internal Structures: Vagina  3 layers: mucous, muscle, fibrous  Arousal and vaginal lubrication or transudation  Lubrication changes vaginal ph and increases pleasure  Increased blood flow causes swelling of labia and vaginal opening, which acts like brake pads gripping penis upon insertion  Clitoral glans pulls back towards pubic bone, retracting under its hood (protecting itself against direct stimulation)  Grafenberg (G) spot: anterior wall of vagina, a system of ducts and glands that surround the urethra  Secretions & chemical balance: body naturally creates a healthy balance

15 Internal Female Sexual Anatomy

16 Internal Structures  Cervix  Uterus  3 layers and fundus (top)  Perimetrium  Myometrium  Endometrium-nourishes zygote (united sperm and egg)  Fallopian tubes  Fimbriae: fingerlike ends of the fallopian tubes where the released ovum enters  Ovaries  About the size and shape of an almond  Up to 472,000 immature ova at birth  400 mature in lifetime  Ovulation = release of ovum

17 Menstruation  Myths and negative attitudes  Menarche (initial onset)  Age  Related to heredity, health, altitude  Average female: if years old, for 5 days every 28 days, then average woman spends 7 years of her life menstruating

18 Menstrual Physiology  Flow lasts from 2 to 6 days  Volume varies from 6 to 8 ounces  Duration varies 24 to 42 days  Menstrual synchrony with moon phases and other close women

19 The Menstrual Cycle  Hypothalamus releases GnRH that stimulates pituitary  Pituitary produces  Follicle Stimulating Hormone  Lutenizing Hormone  Negative feedback mechanism

20 Three Phases of The Menstrual Cycle  Menstrual  Shedding of endometrium  Proliferative  Thickening of endometrium, follicle maturation & ovulation  Secretory  Corpus luteum development, futher thickening of endometrium

21 Menstrual Cycle Problems  Premenstrual syndrome  Premenstrual Dysphoric Disorder  Dysmenorrhea = painful menses  Amenorrhea = no menses  Self-help for menstrual symptoms  exerise  Nutrition- cutting back sugar, caffeine, and nicotine  Orgasm can relieve cramps  Toxic shock syndrome

22 Terms Related to Menopause  Climacteric  Physiological changes during transition period of fertility to infertility  Peri-menopause  Time before menopause when estrogen is decreasing  Menopause  Permanent cessation of menstruation

23 Menopausal Symptoms  Symptoms vary from mild to strong  Amenorrhea, then menopause  Hot flashes or warm spells  Dysregulation of body temp  Night sweats, interrupted sleep  Headaches, poor concentration  Depression, anxiety

24 Hormone Therapy

25 Gynecological Health Concerns  Urinary tract infections  Vaginal infections  Pap smear screens for cervical cancer  Hysterectomy or oophorectomy  Most frequently performed U.S. operation  More frequently performed on low income, less educated women who perhaps had less preventative heacare  Non-surgical options

26 The Breast  Secondary sex characteristics  Mammary glands produce milk  Areola is darker area  Nipple is in center of areola & has openings for milk  Depression, anxiety

27 p. 102

28

29

30 Cross-Section of Breast

31 Breast Health  Breast Lumps  Cysts (fluid-filled sacs)  Fibroadenomas (solid, round, benign tumors)  Malignant tumor  Breast cancer  Treatments  Risk factors  Reconstructive breast surgery  Benefits of early detection & treatment

32 FGM

33 Hymen

34

35 Hymen Variations

36 Clitoris

37

38 Fig. 4-2, p. 82

39 Hymen

40 Fig. 4-3, p. 85

41 p. 89

42 Table 4-2, p. 103

43 Table 4-3, p. 106

44


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