Adjective
uterotubal (not comparable)
Relating to, or connecting, the uterus and the Fallopian tubes.
As sperm pass through the uterotubal junction and enter the tubal isthmus, they may be trapped and held in a reservoir. Source: Internet
The narrow lumen of the uterotubal junction may be filled with viscous mucus that can impede the progress of sperm. Source: Internet