title: Ultrastructural studies of early nidation in pregnancy and pseudopregnancy.
mesh_terms: D000818:Animals; D001344:Autopsy; D001755:Blastocyst / Q000648:ultrastructure*; D006224:Cricetinae; D003593:Cytoplasm / Q000648:ultrastructure; D003656:Decidua / Q000648:ultrastructure; D010064:Embryo Implantation; D004717:Endometrium / Q000648:ultrastructure*; D004721:Endoplasmic Reticulum / Q000648:ultrastructure; D004847:Epithelial Cells; D004848:Epithelium / Q000648:ultrastructure; D005260:Female; D005865:Gestational Age; D002479:Inclusion Bodies / Q000648:ultrastructure; D008247:Lysosomes / Q000648:ultrastructure; D008297:Male; D008854:Microscopy, Electron; D008858:Microscopy, Phase-Contrast; D008928:Mitochondria / Q000648:ultrastructure; D011247:Pregnancy; D011555:Pseudopregnancy; D012270:Ribosomes / Q000648:ultrastructure; D014327:Trophoblasts / Q000648:ultrastructure; D014659:Vasectomy