Table 1.
The number of blood islands in selected hearts of 11.5–14 dpc fetuses whole-mount immunostained with anti-Ter119 or anti-CD31 antibodies
| dpc | Heart #1 | Heart #2 | Heart #3 | Heart #4 | Heart #5 | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Dorsal | Ventral | Dorsal | Ventral | Dorsal | Ventral | Dorsal | Ventral | Dorsal | Ventral | |
| 11.5 | 0 | 0 | 1 | 0 | 4 | 0 | 0 | 0 | 0 | 0 |
| 12 | 2 | 1 | 0 | 2 | 0 | 7 | 0 | 6 | 0 | 3 |
| 12.5 | 3 | 4 | 0 | 4 | 0 | 7 | 0 | 6 | 1 | 3 |
| 12.75 | 0 | 2 | 1 | 0 | 1 | 2 | 0 | 3 | 0 | 9 |
| 13 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 5 | 1 | 3 |
| 13.5 | 0 | 3 | 0 | 8 | 0 | 7 | 0 | 1 | 0 | 4 |
| 14 | 0 | 6 | 0 | 1 | 0 | 3 | 0 | 1 | 0 | 3 |
In every stage group, blood islands were counted on dorsal and ventral surfaces of five hearts