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Chapter 2

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Chapter 2

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  1. Chapter 2 Our Sexual and Reproductive Anatomy

  2. Body Language

  3. Personal Reflections Do you use sexual slang terms (a) to refer to your genitalia, or (b) when you are upset? Why? If you do, list the terms you use, then write down the correct word next to each. Say each correct term out loud a few times. Are you comfortable doing so? Could you use these terms in normal conversation without being embarrassed or uncomfortable? If you cannot, why not?

  4. External Female Genitalia Vulva “Vagina” Anus

  5. The Vulva The labia are parted to show the vaginal and urethral openings.

  6. Feelings about one’s genitalia are related to enjoyment of sexual activity.

  7. The clitoris has as many nerve endings as an entire penis! Clitoral hood (prepuce) Clitoris Clitoral circumcision

  8. Normal Variations of the Vulva

  9. The Vaginal Opening Vestibular area Bulbocavernosus muscle Vestibular Urethra

  10. The Truth about Hymens Hymen First intercourse and hymen tearing

  11. The Breasts

  12. More About Breasts Estrogen Mammary and ducts in nipple Areola Fatty tissue between glands

  13. Some Variations in Human Breasts

  14. Breast Augmentation Exercises and lotions ineffective Cosmetic surgery and implant leaks Leaks not been found to be linked to cancer or other disease 25% breast implants (silicone or saline) develop painful fibrous capsules

  15. Personal Reflections Do you wish you had different-sized or different-shaped breasts? How would you like to be different? Why? Should a woman’s breast size be an important factor in pleasing her partner? Why?

  16. Breast Cancer and Examination

  17. Monthly Breast Self Exam (BSE)

  18. Personal Reflections (women) Do you regularly examine your breasts for abnormal lumps? If the answer is no, why not? The CDC reports that nearly 85% of women aged 40 or older have had a mammogram. If you are in this age group and have not had one, why not?

  19. Internal Female Anatomy Vagina Elastic walls Lubrication with arousal Self-cleaning and douching Pubococcygeus (PC) muscle. G-Spot

  20. Side View of Internal Female Reproductive Organs

  21. Frontal View of Internal Female Reproductive System

  22. The Uterus: Tiny but Powerful Cervix Perimetrium Myometrium Endometrium

  23. Fallopian Tubes Fingerlike fimbria Site of fertilization Cilia Ectopic (tubal) pregnancies Tubal ligation sterilization

  24. The Ovaries

  25. Gynecological Exam Things to Consider Find a doctor with whom you are comfortable. Ask questions. “Pap test” is not same as a test for STIs. If you want to be tested for STIs be sure to make that clear when you make your appointment.

  26. Cancer of the Cervix Causes Early detection: Pap and HPV tests Detected early, most abnormal cervical cells can be treated effectively and do not develop into cancer

  27. Personal Reflections The CDC report that 91% t0 93% of women 18 years old and older have had a Pap smear test. Have you? Have you had one within the last year? If not, why not?

  28. Cancer of the Endometrium and Ovaries First symptoms of endometrial cancer Ovarian cancer is rare but deadly

  29. External Male Anatomy Penis Foreskin Scrotum and testicles

  30. Male Circumcision

  31. Which penis is “normal” and which is “natural?” It’s a cultural thing.

  32. Personal Reflections If you should have a son, would you have him circumcised? Why or why not? Have you been experiencing any discomfort or anxiety when you first looked at the figures in this chapter? Have you been able to examine your own genitals without feelings of guilt or anxiety? If not, why do you think you have negative feelings about looking at this part of your body?

  33. The penis and scrotum Penis – glans, shaft and root Peyronie’s Disease Normal curvature Scrotum

  34. Internal Male Anatomy

  35. Side View of the Internal Male Reproductive Structures

  36. Inside View of the Penis and Testicles

  37. Testicular Cancer and Self Examination Incidence and age Highest risk Testicular cancer and masturbation

  38. Monthly Testicular Self Exam • Common sign is painless small lump or enlargement of one testicle • Testicles change from month to month • Examination best after warm shower or bath

  39. Semen is just 1% sperm! Seminal vessicles about 70% of seminal volume Prostate gland about 30% of semen Cowpers (aka Bulbourethral) glands Urethra – passageway for semen

  40. True or False? Withdrawal is an effective form of birth control.

  41. Prostate Problems and Examination

  42. Personal Reflections (men) If you are over 50 years old (or 45 if you are African American), have you been to a doctor for a prostate examination? If not, why not?

  43. The Brain

  44. Our Sexiest Organ: The Brain Cerebral cortex Limbic system Hypothalamus Pituitary Gland

  45. Our Sexual Bodies