lateral head

lat·er·al head

[TA] head of origin farthest from the midline. Terminologia Anatomica lists lateral heads (caput laterale ...) of the following: 1) triceps brachii [TA] (... musculi tricipitis brachii [TA]); 2) gastrocnemius [TA] (... musculi gastrocnemii [TA]); and 3) flexor hallucis brevis [TA] (...musculi flexoris hallucis brevis [TA]). Synonym(s): caput laterale [TA]