title: ELECTRON MICROSCOPY OF AN EARLY IMPLANTATION STAGE, WITH A POSTULATED MECHANISM OF IMPLANTATION.
mesh_terms: D000818:Animals; D004583:Electrons; D010064:Embryo Implantation; D004717:Endometrium; D005260:Female; D006653:Histology; D006801:Humans; D008853:Microscopy; D008854:Microscopy, Electron; D010063:Ovum; D010827:Physiology; D011247:Pregnancy; D012106:Research; D014327:Trophoblasts; D004490:Xenarthra
keywords: EDENTATA; ENDOMETRIUM; EXPERIMENTAL LAB STUDY; HISTOLOGY; MICROSCOPY, ELECTRON; OVUM; PHYSIOLOGY; PREGNANCY; TROPHOBLAST