Presentation is loading. Please wait.

Presentation is loading. Please wait.

Chapter Twelve: Understanding Sexuality

Similar presentations

Presentation on theme: "Chapter Twelve: Understanding Sexuality"— Presentation transcript:

1 Chapter Twelve: Understanding Sexuality

2 Biological Bases of Human Sexuality
Genetic basis XX = female XY = male Gonadal basis Structural development Male genital development Female genital development Biological sexuality and the childhood years Puberty Females: Menarche Males

3 Growth and Development of Sexuality
Figure 14-1 Growth and Development of Sexuality

4 Psychosocial Bases of Human Sexuality
Psychosocial sexuality: Masculine and feminine aspects of sexuality Gender: Biological basis of sexuality Gender identity: Recognition of one’s gender Gender preference: Emotional and intellectual acceptance of one’s own gender

5 Psychosocial Bases of Human Sexuality
Gender adoption: The long process of learning the behavior that is traditional for one’s gender Gender identification: Achievement of a personally satisfying interpretation of one’s masculinity or femininity Image source: The McGraw-Hill Companies, Inc./Jill Braaten, photographer

6 Male Reproductive System
Testes Sperm development Interstitial cell-stimulating hormone Follicle-stimulating hormone Scrotum Ducts Seminal vesicles Prostate gland Cowper’s glands Penis

7 Male Reproductive System
Figure 14-2 The male reproductive system

8 Male Reproductive System
Age-related hormone changes Male menopause (andropause) Decrease in level of androgens Prostate size increases

9 Female Reproductive System
Mons pubis Labia majora and labia minora Clitoris Vestibule Vagina Uterus Fallopian tubes Ovaries

10 Female Reproductive System
Figure 14-3 The female reproductive system

11 Menstrual Cycle Menstrual phase Preovulation phase
1/4 – 1/2 cup of blood and tissue is sloughed off during a 5-7 day period Preovulation phase Lasts about a week Release of FSH and LH leading to ovulation around day 14 Post-ovulation phase Build-up of endometrial tissue Role of progesterone

12 Menstrual Cycle Figure 14-4 The Menstrual Cycle

13 Related Conditions Premenstrual syndrome (PMS)
Physical and psychological symptoms that occur in the days just before menstruation Premenstrual dysphoric disorder (PMDD) Severe form of PMS Fibrocystic breast condition Excessive secretory activity producing swollen, firm, or hardened tender breast tissue Amenorrhea Absence of menstruation Menopause Gradual decline in reproductive system function, usually by late 40s to mid 50s

14 The Human Sexual Response Pattern
Excitement stage – arousal stage Plateau stage – leveling off of arousal immediately before climax Orgasmic stage – neuromuscular tension is released Resolution stage – return of the body to a preexcitement stage

15 Sexual Response Pattern
Figure 15-1 the sexual response in men and women

16 Sexual Response Pattern
Figure 15-1 the sexual response in men and women

17 Differences Between Men and Women in the Sexual Response Pattern
Men are not multiorgasmic Men reach orgasm quicker during coitus Women are multiorgasmic Women reach orgasm as quickly as men during masturbation

18 Patterns of Sexual Behavior
Celibacy Self-imposed avoidance of sexual intimacy Masturbation Self-stimulation of the genitals Fantasy and erotic dreams Shared touching Genital contact Image source: Ryan McVay/Getty Images

19 Patterns of Sexual Behavior
Oral-genital stimulation Fellatio (oral stimulation of a male’s genitalia) Cunnilingus (oral stimulation of a female’s genitalia) Intercourse Penile penetration of vagina Associated with procreation Anal sex Performed by both heterosexual couples and gay men

20 Aging and Sexuality Sexual activity does decline with age but a significant population of older adults remain sexually active Changes in women: Vaginal lubrication decreases Reduction in orgasmic contractions Changes in men: Erection process is prolonged Decrease in contractions at orgasm Ejaculation decreases in force and volume

21 Bonds Between People Love Intimacy
Emotional attachment of various levels Intimacy Sharing of deep feelings

22 Relationships and Lifestyles
Singlehood Cohabitation Gay and Lesbian Partnerships Same-Sex Marriage Single parenthood Marriage Divorce Half of all marriages end in divorce Unrealistic expectations

23 Chapter Twelve: Understanding Sexuality

Download ppt "Chapter Twelve: Understanding Sexuality"

Similar presentations

Ads by Google