Embryology Flashcards
1
Q
Genetics of primary oocyte
A
46XX
2
Q
Meiosis I begins…
A
In utero
3
Q
Meiosis I arrests in which phase?
A
Prophase
4
Q
Meiosis I is completed…
A
Pre-ovulation
5
Q
Secondary oocyte (23X) + first polar body are surrounded by…
A
Zona pellucida and corona radiata
6
Q
Meiosis II begins…
A
At ovulation
7
Q
Meiosis II arrests in which phase?
A
Metaphase
8
Q
Meiosis II is completed…
A
At fertilization
9
Q
After fertilization, result is…
A
Mature oocyte + second polar body
10
Q
Early embryo development after fertilization
A
Zygote Cleavage Morula (16-32 cells) Blastocyst Implantation
11
Q
Urogenital sinus gives rise to…
A
Urethra
Bladder
Vagina
12
Q
Mesonephric duct becomes…
A
Renal collecting system
13
Q
Paramesonephric duct becomes…
A
Uterus and tubes
14
Q
Mullerian tubercle becomes…
A
Hymen
15
Q
Phallus becomes…
A
Clitoris
