From Embryology
Revision as of 12:06, 10 August 2010 by Z3252083 (talk | contribs) (Laboratory)


--Mary Nicolas 23:38, 28 July 2010 (UTC)

Cell Division lecture

Fertization- First diploid cell


--Mary Nicolas 23:37, 4 August 2010 (UTC)

1. Syncytiotropoblast cells secrete:

• Progesterone which maintains the integrity of the uterine lining. • Human chorionic gonadotropin (hCG) which prevents the degeneration of the corpus luteum. • Human placental lactogen (HPL) which modifies the metabolic state of the mother during pregnancy to facilitate the energy supply of the fetus


Early zygote.jpg