Z3217686

Lab Q1: What is the protein that sperm binds to on the surface of the egg? ZP3

Lab Q2: Name the three stages of follicle development in the ovary: Primordial, pre-antral and Graafian. --Thomas Dangerfield 14:58, 30 July 2009 (EST) --Thomas Dangerfield 13:09, 6 August 2009 (EST)

What factor do the synctiotrophoblast cells secrete to support the ongoing pregnancy? (hCG) Human Chorionic Gonadotropin

What does the corpus luteum secrete to prevent continuation of the menstrual cycle? (hCG) release encourages the ovary to release oestrogen and progesterone.

What are the 2 main tissues to be derived from the germ cell layer continuous with the lining of the amniotic sac? Ectoderm - nervous system and epidermis epithelium

--Thomas Dangerfield 14:25, 6 August 2009 (EST)