Biology Questions and Answers
together with FSH promoting the
maturation 14th day ruptures releasing of the follicle that at thethe female (^)
gamete (ovulation). After the release of
the ovum LH actsformation of the corpus lute stimulatingum, a the (^)
structure made from the remaining
follicularat maximum mass. The LH concat the 14th day entration isof the
cycle.
- What are the hormones
that promote the release of
the female gamete from the
follicle and at which day of the
menstrual cycle does this
phenomenon happen? What is
this event called?
The hormones that promote the release
of the ovum from the follicle arand LH, hormones found in maximume FSH (^)
blood concentration around the 14th
day of the cycle. The release ofemale gamete from the ovary is calledf the (^)
ovulation. Ov(around) the 14th ulation haday of the menstrualppens at (^)
cycle.
- How does the female
gamete move from the ovary
to the uterus?
The female govary falls into thamete e surroreleased from thunding e
abdominal cavity and is collected Fallopian tube. The internal epitheliumby the
of the uterine tubes has ciliated cells
that movegg cell toware the ovum or ds the uterus.the fecundated
- How long after ovulation
must fecundation occur to be
effective?
If fecundation approximately 2does not occur4 hours after ovulation (^)
the released ovum often dies.
- What is the structure into
which the follicle is
transformed after ovulation?
What is the importance of that
structure in the menstrual
cycle?
The follicle that rsuffers the action eleased the ovumof LH and is
transformed into tcorpus luteum is vhe corpus luteum. Tery important he
because it secretes estrogen and
progesterone.
These hormones prepare the uterine
mucosa, also kfor nidation (imnown as endometrium,plantation of the zygote (^)
in the uterine wall) and embryonic
development since thickening of the mucous tissue,they stimulate th e
increase its vascularity and make the
appearing glands. of uterine glycogen-producing
- What is the importance of
the uterine glycogen-
producing glands?
The uterine glands produce glycothat can be degraded into glucose togen
nourish development of the placethe embryo before the completenta.
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