Carnegie Stage 1 2 3-1 3-2 4 5a-1 5a-2 5b 5c 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 All
Carnegie Stage 8
N | neural fold, neural plate, neurenteric canal, neurosomatic junction, notochordal (primitive) pit |
P | prechordal plate |
T | transverse groove |
7 structures
Carnegie Stage 1 2 3-1 3-2 4 5a-1 5a-2 5b 5c 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 All