Lateral abdominal cutaneous branch of intercostal nerve Tags: Anatomical Structure, Nerve.The lateral abdominal cutaneous branch of intercostal nerve (or lateral cutaneous branches) are nerve branches that supply the skin of lateral part of torso. The rest of the torso is innervated by the ventral and dorsal cutaneous branches. thumbnail branch from Intercostal nerves Dorlands prefix r_02 Dorlands suffix 12689746 innervates Skin Learn more... Loading...