Review Lecture

Question 1

Function of oestrogens (8)

Answer 1

1. Stimulate primary and secondary sex characteristics of females 2. Prepare uterus for sperm transport 3. Increase myometrial contractility 4. Increase vascular permeability and tissue oedema 5. Stimulate growth and activity of mammary gland and endometrium 6. Prepare endometrium for progestogen action 7. Associated with sexual behaviour 8. Regulate secretion of gonadotrophins

Question 2

Properties of Progestagens

Answer 2

1. Prepare the uterus to receive conceptus 2. Blocks sperm transport 3. Maintain uterus during pregnancy 4. Decrease myometrial contractility 5. Stimulate growth of mammary glands but suppress secretion of milk 6. Regulate secretion of gonadotrophins

Question 3

Properties of Androgens

Answer 3

1. Induce and maintain differentiation of male primary sex tissues 2. Induce secondary sex characteristics of males 3. Support spermatogenesis 4. Influence sexual and aggressive behaviour 5. Promote protein anabolism, somatic growth and ossification 6. Regulate secretion of gonadotrophins

Question 4

How many days does it take for the corpus luteum to form from the ruptured follicle

Answer 4

1-3 days