Clavicle
A clavicle or collar bone is a flat bone that makes up part of the shoulder.

In Klingon mating rituals, it is seen as a blessing on a marriage to have a clavicle fractured during a Klingon wedding. () 

In 2372, Drex and a few Klingons fractured Elim Garak's clavicle after attacking him in his shop. ()

Later that year, a crew member on the  fractured her clavicle after the ship was severely damaged by proton bursts. ()

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Bones