title: Sperm transport from the external cervical os to the fallopian tubes in women: a time and quantitation study.
mesh_terms: D000328:Adult; D002582:Cervix Mucus; D002584:Cervix Uteri / Q000502:physiology*; D004717:Endometrium / Q000502:physiology; D005187:Fallopian Tubes / Q000502:physiology* / Q000601:surgery; D005260:Female; D006801:Humans; D007315:Insemination, Artificial; D008297:Male; D012661:Semen; D013094:Spermatozoa; D013997:Time Factors