| 单词 | pectoral girdle |
| 释义 | pectoral girdle 1. (in vertebrates) a bony or cartilaginous arch supporting the forelimbs. 2. Also called shoulder girdle. (in humans) the bony arch formed by the clavicles, or collarbones, and scapulas, or shoulder blades. Also called pectoral arch. [1885-90] |
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