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 6
|
A | amnion, amniotic cavity, amniotic duct |
B | body stalk |
C | chorionic plate, connecting stalk |
E | extraembryonic coelom, extraembryonic coelom (exocoelom) |
P | presumptive allantoic diverticulum, presumptive amniotic duct, presumptive cloacal membrane, presumptive gastrulation (primitive) node, presumptive prechordal plate, primary villus, primordial blood vessels, primordial connecting stalk, primordial connecting stalk (mesenchyme), primordial gastrulation (primitive) groove |
S | secondary stem villus, secondary umbilical vesicle (yolk sac) cavity, secondary umbilical vesicle (yolk sac) process, secondary umbilical vesicle cavity, secondary villus, stem villus |
T | tertiary villus, two-layered amnion |
V | villus chorion |
27 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