title: The ultrastructure of the normal human placenta.
mesh_terms: D002466:Cell Nucleolus; D002467:Cell Nucleus; D002843:Chromatin / Q000378:metabolism; D004721:Endoplasmic Reticulum; D005260:Female; D005865:Gestational Age; D006056:Golgi Apparatus; D006801:Humans; D008858:Microscopy, Phase-Contrast; D008928:Mitochondria; D010920:Placenta / Q000166:cytology*; D011247:Pregnancy; D012335:RNA, Ribosomal / Q000096:biosynthesis; D014327:Trophoblasts / Q000166:cytology
chemical_list: D002843:Chromatin; D012335:RNA, Ribosomal