The follicular antrum is the portion of an
ovarian follicle filled with
follicular fluid. Appearance of the follicular antrum during follicular maturation is the first sign that a follicle has reached the next stage of maturation. It has changed from a primary follicle to a secondary follicle.
See also
*
Antrum
External links
* "Graafian Follicle"
* - "Mammal, canine ovary (LM, High)"
Description at okstate.edu
Mammal female reproductive system
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