Z3185685

Lab 1 Questions

1)What is the protein that sperm binds to on the surface? ZP3

2)Name the 3 stages of follicle development in the ovary.

- Primordial follicle - Preantral follicle - Antral follicle (Graafian)

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--Sumaiya Rahman 13:08, 6 August 2009 (EST)

Lab 2 Questions

  1. What factor do the synctiotrophoblast cells secrete to support the ongoing pregnancy? 

Human Chorionic Gonadotropin (hCG)

  2. What does the corpus luteum secrete to prevent continuation of the menstrual cycle? 

Progesterone

  3. What are the 2 main tissues to be derived from the germ cell layer continuous with the lining of the amniotic sac? 

Nervous tissue and epithelium of the skin

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Links for group assignment

http://www.reproduction-online.org/cgi/reprint/48/1/43

http://books.google.com/books?id=RY0rXE2HgqsC&pg=PA344&dq=rabbit+embryo+stages&as_brr=3#v=onepage&q=rabbit%20embryo%20stages&f=false - good for what studies in rabbit embryo has been used for. And has a good table for embryological stages!!

http://books.google.com/books?id=ljAKtC-iIrIC&pg=PA264&dq=rabbit+embryo+stages&as_brr=3#v=onepage&q=rabbit%20embryo%20stages&f=false

http://books.google.com/books?id=73bbKzqRvLsC&pg=PA156&dq=rabbit+embryo+stages&lr=&as_brr=3#v=onepage&q=rabbit%20embryo%20stages&f=false - picture of implantation

http://books.google.com/books?id=aZ7DQYFyxswC&pg=PA122&dq=%22rabbit+development+stages%22&lr=&as_brr=3#v=onepage&q=&f=false

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--Sumaiya Rahman 13:14, 13 August 2009 (EST)

Lab 3 Questions

  1. What period of human development (in weeks) do the 23 Carnegie stages cover? 8 weeks
     
  2. What part of the somite will contribute to the vertebral column? The ventromedial component - sclerotome

  3. At what Carnegie stage does the human neural tube normally completely close? Stage 13