title: A study on sperm tail elements in mouse blastocysts.
mesh_terms: D000818:Animals; D005260:Female; D008297:Male; D051379:Mice; D008854:Microscopy, Electron; D009940:Organoids; D010063:Ovum / Q000166:cytology*; D013094:Spermatozoa / Q000166:cytology*