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| the expanding and contracting opening in the iris of the eye, through which light passes to the retina |
| pertaining to any of certain large veins of the neck collecting blood from the superficial parts of the head or collecting blood from within the skull |
coracoid cor·a·coid (kôr'ə-koid')
n.
A bony process projecting from the scapula toward the sternum in mammals.
A beak-shaped bone articulating with the scapula and sternum in most nonmammalia vertebrates, such as birds and reptiles.