torus
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Related to torus: Torus mandibularis, Torus tubarius
torus
[tor´us] (L.)a swelling or bulging projection.
torus mandibula´ris a prominence sometimes seen on the lingual aspect of the mandible at the base of its alveolar part.
torus palati´nus a bony protuberance sometimes found on the hard palate at the junction of the intermaxillary suture and the transverse palatine suture.
to·rus
, pl.to·ri
(tō'rŭs, tō'rī), [TA]1. A rounded swelling, such as that caused by a contracting muscle. Synonym(s): elevation (1) [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]
torus
(tôr′əs)n. pl. tori (tôr′ī)
1. Architecture A large convex molding, semicircular in cross section, located at the base of a classical column.
2. Anatomy A bulging or rounded projection or swelling.
3. Botany
a. The receptacle of a flower.
b. A thickened area in the middle of the membrane that connects the pits of tracheids in conifers and certain other gymnosperms.
4. Mathematics A toroid generated by a circle; a surface having the shape of a doughnut. Also called tore2.
to·rus
, pl. tori (tōr'ŭs, -ī)1. 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.
2. A rounded swelling, such as that caused by a contracting muscle.
Synonym(s): elevation.
Synonym(s): elevation.
[L. swelling, knot, bulge]
torus
the end of the stalk, bearing the flower parts and forming the succulent fruit in POMES, e.g. apples, pears, strawberries and rosehips.- (in ferns) the mass of tissue that becomes the SPORANGIUM.
- (in liverworts) the cup containing a GEMMA.
- (in algae) the swollen tip of a branch carrying the reproductive organs.
torus
- a central thickened area in the BORDERED PITS of GYMNOSPERMS.
- see RECEPTACLE.
to·rus
, pl. tori (tōr'ŭs, -ī)1. [TA] Rounded swelling, such as that caused by a contracting muscle.
2. Geometric figure formed by revolution of a circle around the base of any of its arcs, such as the convex molding at the base of pillar.
[L. swelling, knot, bulge]