Horizontal section at middle of right arm. Labels: B.V., basilic vein; CEPH. V., cephalic vein; I.C.N. internal cutaneous nerve; I.P.A., inferior profunda artery; M.C.N., musculocutaneous nerve; M.N., median nerve; M.S.N., musculospiral nerve; S.P.A., superior profunda artery; U.N., ulnar nerve.

Horizontal Section of Arm

Horizontal section at middle of right arm. Labels: B.V., basilic vein; CEPH. V., cephalic vein; I.C.N.…