title: Ultrastructural observation on early human eggs. Analysis of four concepti.
authors.affiliation: Laboratory of Embriology and Electron Microscopy, University of Chile, Santiago.
authors.forename: J
authors.initials: J
authors.lastname: Pereda
mesh_terms: D001755:Blastocyst / Q000166:cytology / Q000648:ultrastructure*; D002455:Cell Division; D005260:Female; D005306:Fertilization; D006801:Humans; D007365:Intercellular Junctions / Q000648:ultrastructure; D008297:Male; D008854:Microscopy, Electron; D015388:Organelles / Q000648:ultrastructure; D010063:Ovum / Q000166:cytology / Q000648:ultrastructure*; D011247:Pregnancy; D013077:Sperm Head / Q000648:ultrastructure; D015044:Zona Pellucida / Q000648:ultrastructure