Anatomy
ulna
ul·na [ uhl-nuh ]
Subclass of:
Arm Bones
Etymology:
Latin ulna = elbow or forearm
Definitions related to bone structure of ulna:
-
(ulna) The bone that contains the olecranon process, lies between the radiohumeral joint and the carpus, and is adjacent to the radius.CDISC TerminologyClinical Data Interchange Standards Consortium (CDISC), 2021
-
(ulna) Long bone, each instance of which articulates with some humerusand radius.Foundational Model of AnatomyUniversity of Washington, 2017
-
(ulna) One of the bones that comprise the forearm. The largest aspect articulates with the humerus at the elbow joint and the smallest portion of the ulna articulates with the carpal bones in the wrist.NCI ThesaurusU.S. National Cancer Institute, 2021
-
(ulna) The inner and longer bone of the FOREARM.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
-
Ulna, inner of two bones of the forearm when viewed with the palm facing forward. (The other, shorter bone of the forearm is the radius.) The upper end of the ulna presents a large C-shaped notch--the semilunar, or trochlear, notch--which articulates with the trochlea of the humerus (upper arm bone)...Encyclopedia Britannica, Inc., 2020
Return to OpenMD Medical Dictionary
> U
This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.