preferred_name: Tendinous sheath of abductor longus and extensor pollicis brevis
preferred_name_lc: tendinous sheath of abductor longus and extensor pollicis brevis
label: Common synovial sheath of abductor pollicis longus and extensor pollicis brevis
label_lc: common synovial sheath of abductor pollicis longus and extensor pollicis brevis