Pig F1t

1

aorta

2

genital ridge

3

left subcardinal vein

4

left umbilical vein

5

midgut

6

left umbilical artery

7

peritoneum

8

common iliac arteries

9

hindgut

10

right umbilical artery

11

urogenital sinus

12

allantois

13

mid gut

14

vitelline vein

15

right subcardinal vein