Definition of triquetral in English:

triquetral

Line breaks: tri|quet¦ral
Pronunciation: /trʌɪˈkwɛtr(ə)l
 
/
(also triquetral bone)

noun

Anatomy
  • A carpal bone on the outside of the wrist, articulating with the lunate, hamate, and pisiform bones.
    More example sentences
    • In addition, some fibers join the trapezium and trapezoid with the scaphoid, others pass between the hamate and triquetral bones, and, finally, a separate band of the same ligament is joined to the pisiform bone.
    • It comprises the carpal bones scaphoid, lunate, triquetral, trapezium, trapezoid, capitate and hamate.
    • Plain radiographs revealed the presence of synostosis of the lunate and triquetral bones of the injured wrist.

Origin

mid 17th century: from Latin triquetrus 'three-cornered' + -al.

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