Læknaneminn - 01.10.1979, Blaðsíða 32

Hypothalamic nuciei
Testosterone feedback
on pituitary and
hypothalamus inhibits
LH production---------
Estrogen feedback
on anterior pituitary
both stimulates and
inhibits production of
LH and FSH
Mafe
Female
Anterior
pituitary gland
Leydig cells of testis
secrete testosterone
under influence of LH

Granulosa-theca cell
complex of follicie
secretes estrogen.
Follicular maturation
mediated by FSH and LH.
LH is required for
ovulation and maintenance
of corpus luteum
JOHNA.CI
©CIBA
Inhibin feedback
on hypothalamus limits
FSH 'production
Spermatogenesis in
germinal cells of
testis regulated by
testosterone and
FSH
Male secondary
sex characteristics
Female secondary Progesterone secreted
sex characteristics by luteinized ceils
.....
LÆKNANEMINN