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Figure 41-9 The human male reproductive system pubic bone urinary bladder ureter rectum seminal vesicle prostate gland urethra penis vas deferens bulbourethral gland epididymis testis urethral opening scrotum 2
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Figure 41-9 The human male reproductive system
pubic bone urinary bladderureter
rectumseminal vesicle
prostate gland
bulbourethral glandvas deferensepididymistestis
scrotumurethralopening
penis
urethra
Table 41-1 The Human Male Reproductive Tract
Figure 41-10 The anatomy of the testes
vas deferensepididymis
uncoiledseminiferoustubule
testis
spermatogoniaA section through the testis
daughter cells
sperm
Sertolicells
interstitialcell
Cross-section of a seminiferous tubule
Figure 41-11 Spermatogenesis
occurs continuously startingat puberty
spermatogonium primaryspermatocyte
secondaryspermatocytes
spermatids sperm
Mitosis Meiosis I Meiosis II Differentiation
Figure 41-13 Hormonal control of spermatogenesis
hypothalamus
GnRH
anteriorpituitary
LH FSH
testes
testosterone
interstitialcells
Sertolicells
spermatogenesis
stimulates
inhibits inhibin
Animation: The Male Reproductive System
Figure 41-14 The human female reproductive system
fimbriaovary
uterine tube
urinary bladderpubic bone
urethra
clitorislabia anus
rectum
vagina
cervix
uterusmyometriumendometrium
Table 41-2 The Human Female Reproductive Tract
Figure 41-16 Follicle developmentuterine tube
ovulating egg
ovary
ovary
Ovulatedsecondaryoocyte (egg)
Rupturedfollicle
Corpus luteum
Degeneratingcorpus luteum
Undevelopedfollicles, each containinga primary oocyte
Developingfollicles
Maturefollicle witha secondary oocyte
Figure 41-15 Oogenesis
develops in the fetus producedmonthlybeginning atpuberty
egg
polar body
polar body
polar body
polar body
oogoniumprimaryoocyte
secondaryoocyte (egg)
producedafterfertilization
Mitosis Meiosis I Meiosis II
Animation: The Female Reproductive System
Figure 41-18 The secondary oocyte and fertilization
secondary oocyte (egg)
corona radiata zona pellucidaAn ovulated secondaryoocyte
Sperm surrounding an oocyte
Figure 41-19 Sterilization
The vasdeferens issevered andits ends aresealed
The uterinetube is severedand its ends are sealed
ovary
uterus
testis
scrotum
Vasectomy Tubal ligation
