| 释义 |
hu·mer·us
\ˈhyümərəs\ noun
(plural humeri \-əˌrī\)
Etymology: New Latin, from Latin humerus, umerus upper arm, shoulder; akin to Old Norse āss mountain ridge, Gothic ams shoulder, Greek ōmos, Tocharian A es, Sanskrit aṃsa
1. : the long bone of the upper arm or forelimb : the longest bone of the upper extremity articulating above by a rounded head with the glenoid fossa, having below a broad articular surface divided by a ridge into a medial pulley-shaped portion and a lateral rounded eminence that articulate with the ulna and radius respectively, and providing various processes and modified surfaces for the attachment of muscles
2. : the shoulder region of an insect; also : any of various structures located in this region (as the coxa of a foreleg or the lateral angle of the prothorax) |