| 单词 | olecranon |
| 释义 | ‖ olecranon Anat.|əʊlɪˈkreɪnən|
Also 8 -num.
[a. Gr. ὠλέκρᾱνον, shortened from ὠλενόκρᾱνον head or point of the elbow, f. ὠλένη elbow + κρᾱνίον head, skull, cranium.]
The process or apophysis at the upper end of the ulna, forming the bony prominence at the elbow.
1727–41Chambers Cycl. s.v., The olecranum is received into the hind sinus of the lower end of the humerus. 1741Monro Anat. Bones (ed. 3) 248 The..Cavity lodges the Olecranon in the Extensions of that Member. 1804Abernethy Surg. Obs. 99 A girl..had a collection of fluid under the triceps extensor cubiti, near the olecranon. 1836–9Todd Cycl. Anat. II. 63/1 Posteriorly, the olecranon forms a remarkable prominence.
b. attrib., as olecranon fossa, the depression in the humerus into which the olecranon fits when the arm is extended; o. process = olecranon.
1842E. Wilson Anat. Vade M. (ed. 2) 66 Bounding the greater sigmoid notch posteriorly is the olecranon process. 1879tr. De Quatrefages' Hum. Spec. 57 Desmoulins regarded the perforation of the olecranon process as one of the most decided characters of his Austro-African species of man.
Hence oleˈcranal, oleˈcranial, oleˈcranian adjs., pertaining to the olecranon; oleˈcranoid a., ‘resembling the olecranon’ (Syd. Soc. Lex.), but erron. used for olecranal.
1831R. Knox Cloquet's Anat. 689 The other passes backwards into the olecranal cavity. 1857Dunglison Med. Lex. 940 These two eminences are separated..by the greater sigmoid, or semilunar fossa, or olecranoid cavity. 1881Mivart Cat 93 The olecranal or anconeal fossa. 1883N. Joly Man before Metals ii. viii. 353 The olecranian cavity is often perforated. 1892Syd. Soc. Lex., Olecranial. |
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