![](/emagewebapp/images/detected_1px.gif) |
2nd branchial pouch endoderm |
![](/emagewebapp/images/detected_1px.gif) |
1st branchial arch maxillary component mesenchyme |
![](/emagewebapp/images/detected_1px.gif) |
ear |
![](/emagewebapp/images/detected_1px.gif) |
2nd branchial arch ectoderm |
![](/emagewebapp/images/detected_1px.gif) |
1st branchial arch mandibular component ectoderm |
![](/emagewebapp/images/detected_1px.gif) |
4th branchial arch ectoderm |
![](/emagewebapp/images/detected_1px.gif) |
3rd branchial pouch endoderm |
![](/emagewebapp/images/detected_1px.gif) |
1st branchial arch mandibular component mesenchyme |
![](/emagewebapp/images/detected_1px.gif) |
1st branchial pouch endoderm |
![](/emagewebapp/images/detected_1px.gif) |
forelimb bud apical ectodermal ridge |
![](/emagewebapp/images/detected_1px.gif) |
hindlimb bud apical ectodermal ridge |
![](/emagewebapp/images/detected_1px.gif) |
4th branchial pouch endoderm |
![](/emagewebapp/images/detected_1px.gif) |
3rd branchial arch ectoderm |
![](/emagewebapp/images/detected_1px.gif) |
lens pit |