19. What is the structure into
which the follicle is
transformed after ovulation?
What is the importance of that
structure in the menstrual
cycle?

Gap-fill exercise

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The follicle that released ovum
suffers the action LH and is
transformed the corpus luteum. The
luteum is very important
it secretes estrogen and
.

These hormones prepare the
mucosa,also known as endometrium,
nidation (implantation of the
in the uterine wall) embryonic
development since they the
thickening of the tissue,
increase its vascularity make the
appearing of glycogen-producing
glands.