| torus occipitalis | An occasional ridge near the superior nuchal line of the occipital bone. (05 Mar 2000) |
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| torus tubarius | A ridge in the naso-pharyngeal wall posterior to the opening of the auditory (eustachian) tube, caused by the projection of the cartilaginous portion of this tube. Synonym: eustachian cushion, tubal prominence. (05 Mar 2000) |
| torus uretericus | A fold of mucous membrane extending from the orifice of the ureter of one side to that of the other side. Synonym: plica interureterica, bar of bladder, Mercier's bar, plica ureterica, torus uretericus, ureteric fold. (05 Mar 2000) |
| torus uterinus | A transverse ridge on the back part of the cervix of the uterus, formed by the junction of the rectouterine folds. (05 Mar 2000) |