In humans, only one ovum is usually discharged from the ovary at a time. This phenomenon is called?
Correct answer: A. Ovulation
- A. Ovulation
- B. Menstruation
- C. Oestrous
- D. All of these
Explanation
Ovulation is the release of a mature egg (ovum) from the ovary, and it typically occurs once during each menstrual cycle in humans. After ovulation, the egg is available for fertilization by sperm, and if fertilization doesn't occur, the egg is expelled from the body during menstruation.
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About Menstrual Cycle
The menstrual cycle covers the coordinated changes in the ovaries and uterus, including menstruation, follicular growth, ovulation and corpus luteum formation. It links follicle-stimulating hormone, luteinizing hormone, oestrogen and progesterone with endometrial changes, and distinguishes the ovarian cycle from the uterine cycle and the hormonal events of pregnancy.
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More Menstrual Cycle questions
Which of the following hormones of the pituitary gland regulate the menstrual cycle?
The estrogen hormone secretion during oogenesis is stimulated by:
During tho menstruaI cycle, after the female gemete is released from the ovary is ovulation, the remains of the follicle secrets:
The follicle cells, after releasing of the egg, are modified to form a special structure called:
The event happens in menstrual cycle when level of progesterone declines:
Which of the following will happen if fertilization does not occur?