Flashcards in final chp 12 reproductive Deck (41)
when does the reproductive system develop?
what week is sex identification possible?
development of the gonads?
-inner mesenchyme tissue
-primordial germ cell
what is the genital ridge covered by?
the development of cells causes the genital ridge to bulge into the?
what makes up the inner mass of the genital ridge?
the cells within the genital ridge arrange themselves into what?
the sex cords grow into underlying?
when the sex cords grow into the mesenchyme they become?
primary sex cords
the indifferent gonad has what two thingsz?
cortex and medulla
the cortex has an outer layer and during development in males it? in females?
in males it regresses
in females the cortex develops
the medulla is the inner layer and during development in males it? in females?
in males it develops
in females it regresses
during the development of the ovaries the primordial germ cells migrate to the?
surface epithelium and forms the cortical cords
during the development of the ovaries at the 16th week, what happens?
the cortical cords break up into primordial follicles
the mesonephric ducts play an important role in which sex?
male reproductive system
what is formed from the mesonephric ducts in males?
cranial part-efferent ?
in females the paramesonephric ducts develops where?
they develop on each side of the body
in females what ducts open into the coelum, pass caudally along the side of the mesonephric duct, and the caudal end fueses to form the Y shape?
uterovaginal- uterus and vagina
the genital tubercle develops where?
at the upper end of the cloacal
during the development of the genitalia labioscrotal _________ and urinogenital ______ develop
labioscrotal swelling and urinogenital folds develop
during development of the genitalia, the genital tubules elongates to form?
what are some symptoms of ovarian hypoplasia?
-small ovary size
-poor breast development
-only some ovarian function
ovarian hypoplasia can be associated with what syndrome?
true or false
turner's syndrome can be unilateral or bilateral?
unilateral affected can give birth to a normal infant
Bilateral ovarian hypoplasia will contain what?
very few primordial germ cells
when affected by bilateral ovarian hypoplasia, six months after birth they will have no?
NO oocytes even after 6 months
during bilateral ovarian hypoplasia what stimulates the fetus' cells?
during a bilateral ovarian hypoplasia few primordial germ cells reach what?
when migrating from yolk sac, few reach the genital ridges
during pure gonadal dysgenesis what do the germ cells do?
the germ cells do not migrate from the yolk sac