Chapter 11 - Reproductive Cycles And Fertilisation Flashcards
What is the menstrual cycle?
A cycle where changes in the lining of the uterus is closely associated with stages in the ovarian cycle.
How many immature eggs does the ovaries contain at birth?
400000 immature eggs.
Major stages of the Menstrual cycle.
1-4 Menstruation - uterine bleeding, accompanied by shedding of the endometrium.
5-12 Pre ovulation - endometrial repair begins; development of ovarian follicle, releasing egg
13-15 Ovulation - Rupture of mature follicle, releasing egg
16-20 Secretion - Secretion of watery mucus by glands if endometrium, cervix and uterine tubes; movement and breakdown of unfertilized egg; development of corpus luteum
21-28 Premenstruation - Degenerstion of corpus luteum; deterioration of endometrium.
Define Menarche.
When menstruation first begins in a female.
What is a Pituitary Gland?
Important endocrine gland associated with the reproductive system.