Ulna; Lacertus; Brachium; Cubitus
Ulna; Lacertus; Brachium; Cubitus. Ulna (ὠλένη) is the whole arm, from the shoulder to the hand, which serves as a measure, an ell; lacertus (ἀλκή) the upper arm; brachium (βράγχιον, βραχίων), the under-arm; cubitus, the bending between the two, the elbow. (vi. 383.)