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Other Terms: Tuberosity, Ulnar tuberosity, Tubercle of ulna, Tuberositas ulnae, Tubérosité ulnaire
This roughened area of bone sits distomedially at the base of the coronoid process. It is the attachment site for the brachialis muscle.
Tuberosity comes from the Latin term tuber meaning a lump. The -osity ending denotes many or to be full of, therefore the term literally translates as having lots of lumps.