Cat, left antebrachium (caudal view). The pronator teres m. (1) and flexor carpi radialis m. (2) are labeled. The superficial digital flexor m. (3) has been transected and reflected. Ulnar and humeral heads of a transected flexor carpi ulnaris m. (4) are evident. Two probes are used to expose the three heads and common tendon of the deep digital flexor m. (5). From medial (top) to lateral, the radial head, humeral head, and ulnar head are labeled. Lumbricales mm (6) attach to branches of the deep digital flexor tendon. (Not visible are several small digital flexor and adductor muscles and four interosseus muscles deep to the tendon in the metacarpus.)

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