Clavicle n. (Anat.) 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 is situated just above the first rib on either side of the neck. In birds the two clavicles are united ventrally, forming the merrythought, or wishbone.
... posterior border of the sterno-mastoid muscle and thence across the posterior triangle to the deep surface of the trapezius. The external jugular vein can usually be seen through the skin; it runs in a line drawn from the angle of the jaw to the middle of the clavicle, and close to it are some small lymphatic glands. The anterior jugular vein is smaller, and runs down about half an inch from the middle line of the neck. The clavicle or collar-bone forms the lower limit of the neck, and laterally the outward ... — Project Gutenberg Encyclopedia
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