Z3258567: Difference between revisions
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--[[User:Z3258567|Sando Rashed]] 13:11, 6 August 2009 (EST) | --[[User:Z3258567|Sando Rashed]] 13:11, 6 August 2009 (EST) | ||
1. What factor do the synctiotrophoblast cells secrete to support the ongoing pregnancy? | |||
they secrete proteolytic enzymes. they help the blastocyst into the endometrial wall, they also secrete hCG. | |||
2. What does the corpus luteum secrete to prevent continuation of the menstrual cycle? | |||
progesterone as well as estrogen | |||
3. What are the 2 main tissues to be derived from the germ cell layer continuous with the lining of the amniotic sac? | |||
the endoderm and the ectoderm | |||
Revision as of 14:40, 6 August 2009
gigitygigitygoo
what is the protein that the sperm binds to on the surface
protein ZP2
name the three stages of follicle development in the ovary
........
--Sando Rashed 13:11, 6 August 2009 (EST)
1. What factor do the synctiotrophoblast cells secrete to support the ongoing pregnancy?
they secrete proteolytic enzymes. they help the blastocyst into the endometrial wall, they also secrete hCG.
2. What does the corpus luteum secrete to prevent continuation of the menstrual cycle?
progesterone as well as estrogen
3. What are the 2 main tissues to be derived from the germ cell layer continuous with the lining of the amniotic sac?
the endoderm and the ectoderm
