trapezium /tra·pe·zi·um/ (-um) [L.]
trapezium
trapezium [trah-pe´ze-um]
1. an irregular, four-sided figure.
2. the most lateral bone of the distal row of carpal bones.
tra·pe·zi·um (tr -p  z-m)n. pl. tra·pe·zi·ums or tra·pe·zi·a (-z -) 1. A quadrilateral having no parallel sides. 2. A bone in the wrist at the base of the thumb, articulating with the first and second metacarpal, scaphoid, and trapezoid bones. |
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.
trapezium [trah-pe´ze-um]
an irregular, four-sided figure.
trapezium
an irregular, four-sided figure.
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