future midbrain |
 |
detected |
| regional | expression is detected in the ventral midbrain. |
prosencephalon |
 |
detected |
| regional | expression is detected in the ventroposterior forebrain. |
optic vesicle |
 |
detected |
| regional | expression is detected in the posterior part of the optic vesicle. |
rhombomere 05 |
 |
detected |
| | A low level of Sek-3 expression is evident in r5. |
rhombomere 02 |
 |
detected |
| | Sek-3 is expressed in r2, r3, r5. |
rhombomere 03 |
 |
detected |
| | Sek-3 is expressed in r2, r3, r5. |
foregut |
 |
weak |
| regional | Low level expression in the lining of the posterior half of the foregut pocket |
trunk mesenchyme |
 |
weak |
| regional | Low level expression is observed in the mesoderm immediately posterior to the heart. |