| Chicken Somitogenesis
|
| HH Stages
|
Age
|
Somite Number
|
| 7
|
23-26 hr
|
1 somite
|
| 7 to 8-
|
ca. 23-26 hr
|
1-3
|
| 8
|
26-29 hr
|
4
|
| 9
|
29-33 hr
|
7
|
| 9+ to 10-
|
ca. 33 hr
|
8-9
|
| 10
|
33-38 hr
|
10
|
| 11
|
40-45 hr
|
13
|
| 12
|
45-49 hr
|
16
|
| 13
|
48-52 hr
|
19
|
| 13+ to 14-
|
ca. 50-52 hr
|
20-21
|
| 14
|
50-53 hr
|
22
|
| 14+ to 15-
|
ca. 50-54 hr
|
23
|
| 15
|
50-55 hr
|
24-27
|
| 16
|
51-56 hr
|
26-28
|
| 17
|
52-64 hr
|
29-32
|
| 18
|
3 da
|
30-36
|
| 19
|
3.0-3.5 da
|
37- 40 extending into tail
|
| 20
|
3.0-3.5 da
|
40-43
|
| 21
|
3.5 da
|
43-44
|
| 22
|
3.5-4.0 da
|
Somites extend to tip of tail
|
| Hamburger Hamilton Stages | Chicken Development
|
