单词 | labrum |
释义 | labrumnoun la·brum ˈlā-brəm 1 : an upper or anterior mouthpart of an arthropod consisting of a single median piece in front of or above the mandibles 2 : a ring of fibrous cartilage forming the margin of the shallow cavity of the upper part of the scapula by which the humerus articulates with the shoulder girdle |
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