Ultrastructure of the mesenchymal layers of the human amnion in early pregnancy.
D000650:Amnion / Q000166:cytology*; D004721:Endoplasmic Reticulum; D005260:Female; D005865:Gestational Age; D006056:Golgi Apparatus; D006801:Humans; D008854:Microscopy, Electron; D011247:Pregnancy; D012270:Ribosomes