triquetrum

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Related to triquetral: pisiform, triangular bone

tri·que·trum (bone)

A bone on the medial (ulnar) side of the proximal row of the carpus, articulating with the lunate, pisiform, and hamate.
Synonym(s): triquetrum [TA]
Farlex Partner Medical Dictionary © Farlex 2012

triquetrum

(trī-kwē′trəm, -kwĕt′rəm)
n. pl. tri·quetra (-kwē′trə, -kwĕt′rə)
A bone of the wrist in the proximal row of carpal bones.

tri·que′tral (-trəl) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

triquetrum

adjective Triangular, three-cornered.

noun Triquetral bone; os triquetrum [NA6].
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

tri·que·trum

(trī-kwē'trŭm) [TA]
A bone on the medial (ulnar) side of the proximal row of the carpus, articulating with the lunate, pisiform, and hamate.
Synonym(s): triquetral bone.
[L. triquetrus, three-cornered]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
86 Clavicle 6 2 33.3 5 .5 Scapula 12 4 33.3 3 .5 Humerus 13 4 30.8 2 .5 Radius 10 1 10 1 Ulna 7 2 28.6 3 Scaphoid 0 - - - Lunate 0 - - - Triquetral 1 0 0 0 Pisiform 1 0 0 0 Trapezium 0 - - - Trapezoid 0 - - - Capitate 0 - - - Hamate 1 0 0 0 1st metacarpal 4 2 50 3 2nd metacarpal 1 1 100 1 3rd metacarpal 4 2 50 2 4th metacarpal 2 1 50 1 5th metacarpal 3 2 66.7 1 Proximal phalanx 28 12 42.8 2 Middle phalanx 18 3 16.7 2.
Thomas and Birch (13) reported that compression in ulnardeviation with palmar flexion causes a coronal hamate body fracture, when the hamate abuts against the triquetral and a force directed through the metacarpals splits the hamate coronally.