Glossary Anatomy
Thenar eminence
Polski: Kłąb kciuka Czytaj po polsku →
Also known as wyniosłość kłębu kciuka thenar eminentia thenaris
Muscular bulge at the radial base of the palm formed by abductor pollicis brevis, opponens pollicis, the superficial head of flexor pollicis brevis, and adductor pollicis (ulnar nerve innervation). Median-nerve innervation of the first three is the substrate for thenar atrophy in advanced carpal tunnel syndrome.