DEVELOPMENT OF GONADS
A. GONADS :
From genital ridge on posterior abdominal wall between dorsal mesentery &
mesonephric ridge
Origin: gonads (testis & ovary) develop from:
1-Coelomic epithelium (mesodermal); of posterior abdominal wall.
2-Primordial germ cells (endodermal): from wall of yolk sac close to allantois.
3-Intermediate mesoderm (genital ridge).
A. GONADS :
From genital ridge on posterior abdominal wall between dorsal mesentery &
mesonephric ridge
Origin: gonads (testis & ovary) develop from:
1-Coelomic epithelium (mesodermal); of posterior abdominal wall.
2-Primordial germ cells (endodermal): from wall of yolk sac close to allantois.
3-Intermediate mesoderm (genital ridge).