Term Name:	internal mammary gland bud epithelial cell differentiation
Synonyms:
Definition:	The process in which a relatively unspecialized epithelial cell of the mammary placode becomes an internal epithelial cell of the mammary gland bud. Internal cells are small and of irregular shape.
Ontology:	GO: Biological Process [GO:0060646]    QuickGO    AmiGO