Pig B2t


1

anteriorcardinal vein

2

arch artery 4

3

pharyngeal pouch 3

4

arch artery 3

5

pharyngeal pouch 2

6

thyroid rudiment

7

Rathke's pouch

8

forebrain

9

optic vesicle

10

lens placode

11

arch artery 2

12

aorta