_a_, Accessory cephalic vein; _b_, cutaneous branch of median nerve;
_c_, extensor carpi obliquus; _d_, posterior radial artery; _e_,
satellite vein; _f_, median nerve; _g_, _g′_, ulnar vessels; _h_,
ulnar nerve; _i_, cephalic vein; _k_, tendon of ulnar head of deep
flexor; _l_, interosseous artery; _m_, extensor carpi radialis; _n_,
anterior digital extensor; _o_, lateral digital extensor; _p_,
flexor carpi externus; _q_, _q_, _q_, humeral heads of deep digital
flexor; _r_, radial head of same; _s_, superficial digital flexor;
_t_, flexor carpi medius; _u_, flexor carpi internus; _v_, radius;
_w_, skin; _x_, anterior radial artery. (After Ellenberger, in
Leisering’s Atlas.)
]
_Relations._—Superficially, the skin and fascia, the lateral extensor,
and the common extensor; deeply, the radius, the extensor carpi
radialis, the carpal capsule, and the internal lateral ligament.
_Blood-supply._—Interosseous and anterior radial arteries.
_Nerve-supply._—Radial nerve.