All posts by mynursingapp

EMBRYOLOGY AND FETAL DEVELOPMENT:- A) Oogenesis:- •>Chat Presentation of Oogenesis:- Oogenesis ↓ Germ cells ↓ Mitosis ↓ Oogonia (Oogonia) ↓ Primary Oocytes( 46 , XX) ↓ Arrested first meiotic division (up to puberty)↓Maturation of Graafian follicle↓Completion of first meiotic division↓——————————– ↓ ↓Secondary Oocytes (23, X) and 1 st polar body( 23,X )↓Ovulation ↓ ↓ ↓Not Fertilized↓ CompleteDigestion SecondWithin Meiotic24 DivisionHours ↓————————-Fertilized ↓ ↓ Female SecondPronucleus Polar(23,x) Body End ( 23,x)