Which one of the following is the correct matching of the events occurring during the menstrual cycle?
Correct answer: B. Secretory phase: Development of increased secretion from corpus luteum and of progesterone
- A. Proliferative phase: Rapid regeneration of myometrium and maturation of graafian follicle
- B. Secretory phase: Development of increased secretion from corpus luteum and of progesterone
- C. Menstruation: Breakdown of myometrium and ovum into fertilised
- D. Ovulation: LH and FSH attain peak level and sharp in the secretion of progesterone
Explanation
The secretory phase corresponds to the luteal phase. LH from the anterior pituitary triggers ovulation and stimulates the ovarian follicle to form the corpus luteum, which then secretes progesterone to maintain the endometrium.
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Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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