|
|
|
|
|
|
|
1 |
spinal cord |
2 |
notochord |
3 |
posterior cardinal vein |
4 |
mesonephric glomerulus |
5 |
left umbilical vein in body wall |
|
6 |
notochord |
7 |
right umbilical vein |
8 |
intestine (midgut) |
