Just after menstruation ; the
pituitary gland secretes a
follicle stimulating hormone;
which is carried by blood to
ovary; FSH stimulates
development of grafian
follicle ;it also stimulate
follicles within the ovary to
secrete Oestrogen hormone
which is carried by blood
throught the body ; Oestrogen
stimulates development of
secondary female
characteristics ;and in help
healing and repair of uterine
wall following menstruation;
High level of oestrogen
hormone stimulates pituitary
gland;to secere lutenising
hormone; Luteinizing hormone
cause ovulation; stimulates
graafian follicle to form
corpus luteum ;stimulates the
corpus luteum to secrete
oestrogen and
progesterone;stimulate
interstitial cell of testes to
secrete androgen . Progestron
hormone stimulate
prolifilation thickening of
endometruim ;in readiness for
implantation ;should
fertilization occur;
High levels of progestrerone
inhibit secretion of follicle
stimulating hormone and
luteinizing . Hormone by
pituitary gland;progesterone
inhibits prolactin release and
contraction of myoterum;
Without FHS and LH corpus
luteum deteroriate slowing
oestrogen and progestrerone
release ;menstruation begins
the endometrium slough off
as menstrual fluid;Anoher
cycle begins; (22marks max
20)
alexis sadro answered the question on October 9, 2017 at 11:09
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