TAILIEUCHUNG - Bài giảng: Human reproduction

Women with mental disabilities should be involved in decision-making about their reproductive rights to the fullest extent allowed by their capacities. To the degree that a woman can give her informed consent, she is entitled to do so. At the same time, women with mental disabilities may possess particular vulnerabilities that entitle them to heightened protection from sexual abuse and other forms of exploi- tation. Sexual freedom must not be unduly restricted, and reproductive health ser- vices, particularly contraception, sterilization, and abortion, must not be forcibly or coercively imposed. In the course of the provision of health services. | Human reproduction Male Reproductive System Organs 2 Testes - produce sperm and sex hormones. Hormones influence sperm production and secondary sex traits. 2 Epididymides - sperm maturation storage 2 Vas Deferentia - rapid transport of sperm 2 Ejaculatory Ducts - conduct sperm to penis 1 Penis - sexual intercourse organ Male Reproductive System continued Accessory Glands 2 Seminal Vesicles - secrete fructose sperm use this sugar for energy and prostaglandins induce muscles to contract 1 Prostate Gland - secretes most of the liquid part of semen sperm glandular secretions . May help buffer the low pH of vaginal fluid. 2 Bulbourethral Cowper s Glands - a mucus-rich lubricant Figure a from page 656 of your text SCROTUM Outpouching of skin that contains both testes can be moved closer to or farther from body to help maintain temperature suitable for sperm formation. Sperm Head is packed with DNA cap has enzymes to penetrate membrane surrounding egg. Mitochondria behind head provides energy for flagellum. Produced continuously from puberty to death. Millions are in different stages of development at any time. Takes 9-10 weeks for each sperm to form. Meiosis occurs inside the spermatogonia in seminiferous tubules inside the testes. Fig. p. 659 Prostate Cancer 1. Second leading cause of death in American men. 2. Detection Digital rectal exam by physician Blood tests for prostate-specific antigen PSA a tumor marker Testicular Cancer 1. About 5 000 . cases per year 2. Can be detected by self-exam Men should check testes monthly Check for hardening lumps Changes should be reported to physician Female Reproductive System Organs 2 Ovaries - oocytes immature egg produced sex hormones. 2 Oviducts - conduct oocyte from ovary to uterus fertilization occurs in oviducts. Uterus - chamber for developing fetus endometrial lining. Cervix - opening of uterus secretes mucus that a facilitates sperm and b block bacteria. Vagina - organ of sexual intercourse birth .

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