1.Olfactory
2.Otic
3.Trigeminal (V)
4.Facial (VII)
5.Glossopharyngeal (IX)
6.Vagal (X)
Left:
Right: Rodriguez-Niedenführ M et al: Anat Embryol 204:399-406, 2001 (Prox1 is a marker of ectodermal placodes, endodermal compartments, lymphatic endothelium and lymphangioblasts).