trapezium

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Related to multangular bone: trapezium bone

trapezium

 [trah-pe´ze-um]
an irregular, four-sided figure.

tra·pe·zi·um

, pl.

tra·pe·zi·a

,

tra·pe·zi·ums

(tra-pē'zē-ŭm, -ă),
1. A four-sided geometric figure with no two sides in parallel.
2. Synonym(s): trapezium (bone)
[G. trapezion, a table or counter, a trapezium, dim. of trapeza, a table, fr. tra- (= tetra-), four, + pous (pod-), foot]

trapezium

/tra·pe·zi·um/ (-um) [L.]
1. an irregular, four-sided figure.
2. the most lateral bone of the distal row of carpal bones.

trapezium

(trə-pē′zē-əm)
n. pl. trape·ziums or trape·zia (-zē-ə)
1. Mathematics
a. A quadrilateral having no parallel sides.
b. Chiefly British A trapezoid.
2. Anatomy A bone in the wrist at the base of the thumb.

trapezium

[trəpē′zē·əm] pl. trapezia, trapeziums
Etymology: Gk, trapezion, small table
a carpal bone in the distal row of carpal bones. The trapezium articulates with the scaphoid proximally, the first metacarpal distally, and the trapezoideum and the second metacarpal medially. Also called greater multangular, os trapezium.

tra·pe·zi·um

, pl. trapezia, trapeziums (tră-pē'zē-ŭm, -ă, -ŭmz)
1. A four-sided geometric figure having no two sides parallel.
2. The lateral (radial) bone in the distal row of the carpus; it articulates with the first and second metacarpals, scaphoid, and trapezoid bones.
Synonym(s): os trapezium [TA] , greater multangular bone, os multangulum majus, trapezium bone.
[G. trapezion, a table or counter, a trapezium, dim. of trapeza, a table, fr. tra- (= tetra-), four, + pous (pod-), foot]

trapezium

an irregular, four-sided figure.