| epignathus |
a fetal tumor arising from the soft or hard palate in the region of the hypophysial pouch (Rathke's pouch), filling the buccal cavity and protruding from the mouth. Because the tumor sometimes shows a certain degree of organization, it has been considered a parasitic fetus.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
|
|---|