musculo-spiral
/ˌmʌskjʊləʊˈspʌɪrəl/ /ˌmʌskjʊləʊˈspʌɪr(ə)l/Anatomy. Now rare
adjective
Designating a branch of the brachial plexus that winds around the humerus to supply muscles and skin of the arm and forearm (now known as the radial nerve); of, relating to, or associated with this nerve.
Origin
Mid 19th century; earliest use found in Todd's Cyclopaedia of Anatomy and Physiology. From musculo- + spiral adverb.