FMA definition : Subdivision of pharynx, each instance of which is a small median residual collection
of some adenohypophysial glandular tissue in the mucoperiosteum of the roof of some
nasopharynx; it develops from the Rathke pouch in some embryo.;
Subdivision of pharynx, each instance of which is a small median residual collection
of some adenohypophysial glandular tissue in the mucoperiosteum of the roof of some
nasopharynx; it develops from the Rathke pouch in some embryo.