The large muscle at the back of the upper arm.
A muscle formed of three parts, which are joined to form one tendon.
Muscle having three heads, especially the triceps brachii muscle of the back surface of the upper arm, which functions to extend the forearm and adduct the upper arm (compare biceps).
A muscle with three heads of origin, particularly the triceps brachii, which is situated on the back of the upper arm and contracts to extend the forearm. It is the antagonist of the brachialis.
A muscle of the posterior upper arm which acts to extend the forearm. So-named because it originates from three heads.
A muscle arising by three heads with a single insertion.
Large muscle that covers the entire back of the upper arm and extends the forearm.
Possessing three heads, a term typically used to describe a type of muscle.