trunk somite |
 |
detected |
| regional | Expressed in myotomes. |
mesenchyme |
 |
detected |
| regional | Expression in the ventral and lateral body wall. |
2nd branchial arch mesenchyme |
 |
detected |
| regional | Expressed in muscle precursors in the arch |
1st branchial arch maxillary component mesenchyme |
 |
detected |
| regional | Expressed in muscle precursors in the arch |