The Reproductive System：生殖系统.pptVIP

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 31-* Apply Your Knowledge Match: ___ Most commonly reported STD in the U.S. A. Gonorrhea ___ Two types; both caused by a virus B. Genital warts ___ Crabs C. Syphilis ___ Increasing incidence in males D. Chlamydia ___ Common bacterial STD; can also grow in mouth E. Pubic lice ___ Caused by HPV virus F. Herpes simplex F E C A B D ANSWER: SUPER! 31-* In Summary Ability to reproduce is a basic characteristic of life Female and male systems work together to produce offspring Medical assistant must have knowledge of reproductive systems to Assist with exams and procedures Provide patient education 31-* End of Chapter The reproduction of mankind is a great marvel and mystery. ~Martin Luther * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 31-* Clitoris Anterior to urethral meatus Contains female erectile tissue Rich in sensory nerves Perineum Between vagina and anus Area for episiotomy, if needed, during birth process External Genitalia Female Reproductive System:  External Genitalia (cont.) 31-* Female Reproductive System:  Erection, Lubrication, and Orgasm Nervous stimulation Clitoris becomes erect Bartholin’s glands activates – lubrication Vagina elongates Orgasm Sufficient stimulation of clitoris Walls of uterus and fallopian tubes contract to propel sperm up tubes 31-* Female Reproductive System: Hormones Hypothalamus secretes GnRH GnRH Anterior pituitary releases FSH LH Stimulates Ovaries to produceestrogen and progesterone Estrogen and progesterone Responsible for development of secondary sex characteristics 31-* Female Reproductive System:  Reproductive Cycle Menstrual cycle Regular changes in uterine lining, resulting in monthly bleeding Menarche – first menstrual period Menopause – termination of cycle due to normal aging of ovaries 31-* Follicular cellsbecomecorpus luteumwhich secretesprogesterone Anterior pituitaryreleases FSH Uterine lin