olecranon

o·lec·ra·non Audio Help (ō-lěk'rə-nŏn')

n. The large process on the upper end of the ulna that projects behind the elbow joint and forms the point of the elbow.

[Greek ōlekrānon : ōlenē, elbow; see el- in Indo-European roots + krānion, skull, head; see ker-¹ in Indo-European roots.]
o·lec'ra·nal (-nəl), o'le·cra'ni·al (ō'lĭ-krā'nē-əl), o'le·cra'ni·an (-nē-ən) adj.

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