Female Reproductive: Histo Flashcards
Main purpose of the reproductive system
perpetuate the species
Production of eggs, providing a location for fertilization, & providing a location to house and support embryonic development
female reproductive system
produce germ cells or gametes
Gonads
Are germ cells / gametes haploid or diploid?
Haploid (n)
Number of chromosomes in a germ cell
23
mons pubis, labia majora, labia minora, clitoris, the external urethral orifice, and the vaginal orifice
Female external genitalia
vagina, uterus, uterine tubes, ovaries, and the ligaments and supporting structures
Female internal genitalia
Female gonads
ovaries
What type of function(s) do the ovaries have
endocrine and exocrine
what is the endocrine function of the ovaries
steroidgenesis
What steroids to the ovaries produce
Estrogens and Progestogens
promotes the growth and maturation of internal and external sex organs
Estrogens
promotes breast development
Estrogens
prepares internal sex organs (primarily uterus) for pregnancy by promoting changes in endometrium
Progestogens
prepares mammary glands for lactation
Progestogens
The ovaries are homologous to what in the male
testes
what is the exocrine function of the ovaries
production of secondary oocyte
The surface epithelium of the ovaries is . . .
simple cuboidal
Dense connective tissue of the ovaries
tunica albugini
contains connective tissue and follicles
cortex of the ovary
loose connective tissue with lymphatics vessels and nerves
medulla or the ovary
migrate from yolk sac to gonadal primordia
Primordial Germ Cells
differentiate to form the next cell (i.e. oogonia)
Primordial Germ Cells
arrested in prophase I are called primary oocytes
Oogonia
each primary oocyte becomes surrounded by flattened supporting cells called follicular cells which forms
primordial follicle
beginning at the fifth month of fetal life and throughout the woman’s lifetime, primary oocytes undergo a slow degenerative processes
atresia
number of oocytes ovulated
~ 350-400
What is released at puberty and causes follicular growth
FSH
surrounded by a layer of simple cuboidal cells
early/ uni laminar primary follicle
surrounded by stratified cuboidal
late/ multi laminar primary follicle