title: Studies of the human unfertilized tubal ovum.
mesh_terms: D003594:Cytoplasmic Granules; D004721:Endoplasmic Reticulum; D005187:Fallopian Tubes; D005260:Female; D005306:Fertilization; D006801:Humans; D007813:Laparotomy; D008247:Lysosomes; D008854:Microscopy, Electron; D010060:Ovulation; D010063:Ovum / Q000166:cytology*; D011247:Pregnancy; D013246:Sterilization, Tubal