Exam 3 Study Guide

Exam 3 Study Guide - Chapter5:Sexuality,Pregnancy,andChildbirth SexualAnatomy Gonads: o Females=ovaries o Males=testes Germcells:ova(eggs&sperms=

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Chapter 5: Sexuality, Pregnancy, and Childbirth  Sexual Anatomy  Gonads:  Produce  germ cells  and sex hormone o Females = ovaries o Males = testes Female Sex Organs     Clitoris : highly sensitive to touch and play an important role in female sexual arousal  and orgasm Shaft, glans and spongy tissue that fills with blood during sexual excitement  Glans is the most sensitive and is covered by the clitoral hood =  prepuce  (formed by  upper portion of the labia minora)  Female  urethra  is a duct that leads directly from the urinary bladder to its opening  between the clitoris and the opening of the vagina, independent of the genitals Vagina : passage that leads to the internal reproductive organs  Projecting into the upper part of the vagina is the  cervix  which is the opening of the  uterus  (or womb) were a fertilized egg is implanted and grows into a  fetus o Uterus: the hallow, thick-walled, muscular organ in which a fertilized egg  develops  o Fetus: the developmental stage of a human from the 9 th  week after conception to  birth Fallopian tubes : a duct that guides a mature ovum from the ovary to the uterus The end of the oviduct (fallopian tubes) surrounds an  ovary  and guides the mature  ovum down into the uterus after the egg exists the overy Male Sex Organs     External sex organs, or genitals, are the penis and the scrotum Penis : spongy tissue that becomes engorged with blood during sexual excitement    
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Scrotum : pouch that contains a pair of sperm-producing male gonads, called  testes o Scrotum maintains the testes at a temperature approximately 5 degrees f below the  rest of the body  o In hot temperatures, the scrotum relaxes, and the testes move away from the heat  of the body  Urethra runs the entire length of the penis which carry both urine and semen but they  do not mix by muscles that control their entry into the urethra  Passage of a sperm: o Sperm are produced inside a maze of tiny, tightly packed tubules within the testes;  as they mature sperm flows into a tube called the  epididymis  which lies on the  surface of each testis  o Sperm moves form epidiymis into another tube called the  vas deferens which carries them upward into the abdominal cavity and through an organ called the prostate gland (this gland produces some of the fluid in semen, which helps transport and nourish the sperm) o Vasa deferntia eventually merge into a pair of seminal vesicles whose secretions provide nutrients for the semen o Final stage of the journey: sperm flow into the
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This note was uploaded on 12/08/2010 for the course HLTH 140 taught by Professor Staff during the Fall '08 term at Maryland.

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Exam 3 Study Guide - Chapter5:Sexuality,Pregnancy,andChildbirth SexualAnatomy Gonads: o Females=ovaries o Males=testes Germcells:ova(eggs&sperms=

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