the presence of fibronectin within the oral membrane and dorsal mesocardium , as well as between rathke 's pouch and infundibulum and within the closing plates between ectodermal clefts and endodermal pouches , is consistent with the possibility that this glycoprotein may play a role in adhesion at these sites .
C0229548
rathke 's pouch
C0013574
ectodermal