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CHAPTER 22: THE REPRODUCTIVE SYSTEMS

V.THE FEMALE REPRODUCTIVE SYSTEM

B.Hormonal Control of Female Reproductive Functions

See Fig 22.32, page 909 and Table 22.3, page 909.

2.Secretion of Female Sex hormones:

a.

Estrogen

is produced by the maturing follicle (of the ovary);

Days 1-14.

is responsible for the development of female secondary sexual characteristics at puberty, and then maintains them throughout life.

Targets:

axillary and inguinal hair follicles.

breasts and mammary glands.

adipose tissue in hips, buttocks, and thighs

endometrium of uterus.

Effects include:

increased hair growth in axillary and inguinal regions.

development of breasts and mammary glands.

increased fat deposition in breasts, thighs, and buttocks.

primes endometrium.

b.

Progesterone

is produced by the corpus luteum (of the ovary);

Day 14-24;

Targets the endometrium of the uterus

Prepares the uterus for implantation of the zygote.

thickens the lining

promotes formation of glands and blood vessels.

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