What is the collar bone, which is joined at one end to the scapula, or shoulder blade, and at the other to the sternum, or breastbone. In man each clavicle is shaped like the letter called?

clavicle — The collar bone, which is joined at one end to the scapula, or shoulder blade, and at the other to the sternum, or breastbone. In man each clavicle is shaped like the letter. (Webster's 1913.)

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