In a hen, from which ovarian structure is the ovum normally released during ovulation?
Correct answer: B. Stigma of a mature follicle
- A. Germinal disc of the yolk
- B. Stigma of a mature follicle
- C. Infundibulum of the oviduct
- D. Medullary bone cavity
Explanation
Ovulation occurs when the mature follicle ruptures at the relatively avascular stigma. The infundibulum receives the released ovum but does not release it from the ovary.
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