long bone in the arm is called
The humerus (/ËhjuËmÉrÉs/ , Plural: humeri) is a long bone in the arm or forelimb that runs from the shoulder to the elbow.It connects the scapula and the two bones of the lower arm, the radius and ulna, and consists of three sections.The upper extremity consists of a rounded head, a narrow neck, and two short processes (tubercles, sometimes called tuberosities). Its body is cylindrical in its upper portion, and more prismatic below.t connects the scapula and the two bones of the lower arm, the radius and ulna, and consists of three sections. The upper extremity consists of a rounded head, a narrow neck, and two short processes (tubercles, sometimes called tuberosities).