1. [TA] A rounded swelling, such as that caused by a contracting muscle. SYN: elevation [TA]. 2. A geometric figure formed by the revolution of a circle around the base of any of its arcs, such as the convex molding at the base of a pillar. [L. swelling, knot, bulge]
- t. levatorius [TA] the bulge in the lateral wall of the nasopharynx, below the opening of the auditory tube, produced by the levator veli palatini muscle. SYN: elevation of levator palati, levator cushion, levator swelling.
- mandibular t., t. mandibularis an exostosis protruding from the lingual aspect of the mandible, usually opposite the premolar teeth.
- t. tubarius [TA] a ridge in the nasopharyngeal wall posterior to the opening of the pharyngotympanic (auditory) tube, caused by the projection of the cartilaginous portion of this tube. SYN: eustachian cushion, tubal prominence.
- t. uretericus SYN: interureteric crest.
- t. uterinus a transverse ridge on the back part of the cervix of the uterus, formed by the junction of the rectouterine folds.
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1) a doughnut-shaped surface generated by a circle rotated about an axis in its plane that does not intersect the circle
2) a smooth rounded anatomical protuberance (as a bony ridge on the skull) <a supraorbital \torus>
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to·rus (torґəs) pl. toґri [L. “a round swelling,†“protuberanceâ€] 1. a bulging projection or swelling. 2. the doughnut-shaped geometric figure produced by rotating a circle about an axis that lies in the same plane as the circle but does not cut the circle.Medical dictionary. 2011.