Hempel, E [Ultrastructural differentiation of human amnion epithelium with special reference to the umbilical cord]. [electronic resource] - Anatomischer Anzeiger 1972 - 356-70 p. digital Publication Type: Journal Article ISSN: 0003-2786 Subjects--Topical Terms: Amnion--cytologyCell DifferentiationCytoplasmic GranulesDesmosomesEndoplasmic ReticulumEpithelial CellsFemaleGestational AgeGlycogen--analysisGolgi ApparatusHumansMicroscopy, ElectronMicrotubulesMitochondriaPregnancyRibosomesUmbilical Cord--cytology