title: Ultrastructural aspects of the preattached pig embryo: cleavage and early blastocyst stages.
mesh_terms: D000818:Animals; D001755:Blastocyst; D002455:Cell Division; D002466:Cell Nucleolus; D002467:Cell Nucleus; D002843:Chromatin; D003593:Cytoplasm; D003594:Cytoplasmic Granules; D010064:Embryo Implantation; D004721:Endoplasmic Reticulum; D005260:Female; D006056:Golgi Apparatus; D008854:Microscopy, Electron; D008870:Microtubules; D008928:Mitochondria; D013552:Swine / Q000196:embryology*; D013997:Time Factors; D014327:Trophoblasts / Q000166:cytology
chemical_list: D002843:Chromatin