Science (Textbook questions, female)

Question 1

Define oogenesis.

Answer 1

Production of ova by the ovaries

Question 2

Define ovarian cycle.

Answer 2

Set of processes involved in the maturation and release of the oocyte, and the evolution of the support cells that surround it

Question 3

Define menstrual cycle.

Answer 3

Process by which the tissue that sustains the fertilized ovum is made or destroyed when fertilization does not take place

Question 4

1. What is the first phase of the ovarian/menstrual cycle?
2. What is the second phase of the ovarian/menstrual cycle?
3. What is the third phase of the ovarian/menstrual cycle?

Answer 4

1. Pre-ovulatory phase “follicular phase”
2. ovulatory phase
3. post-ovulatory phase “luteal phase”

Question 5

1. Which hormone is secreted by the fertilized ovum once it is implanted in the endometrium?
2. What is the role of this hormone?

Answer 5

1. hCG

2. Keeps the corpus luteum active, allowing it to maintain its progesterone production at an appropriate level

Question 6

What are the 3 effects of progesterone during pregnancy?

Answer 6

1. Keeps endometrium (supports + nourishes developing embryo)
2. Sends pituitary gland a signal prompting it to keep FSH at a level too low for new follicles to develop
3. Plays a role in range of processes connected with pregnancy