. Bensley's Practical anatomy of the rabbit : an elementary laboratory text-book in mammalian anatomy. Rabbits -- Anatomy. 268 ANATOMY OF THE RABBIT Lateral or posteromedial surface of the radius and ulna. Insertion volar, the tendons (except that of a) passing under a very strong trans- verse carpal ligament, which stretches from the navicular and greater multangular to the pisiform and hamate bones. (a) The pronator teres. Origin: Medial epicondyle. Insertion: Ventral surface of the radius. {h) The flexor carpi radialis. Origin: Medial epicondyle. In- sertion: Base of the second metacarpal.
. Bensley's Practical anatomy of the rabbit : an elementary laboratory text-book in mammalian anatomy. Rabbits -- Anatomy. 268 ANATOMY OF THE RABBIT Lateral or posteromedial surface of the radius and ulna. Insertion volar, the tendons (except that of a) passing under a very strong trans- verse carpal ligament, which stretches from the navicular and greater multangular to the pisiform and hamate bones. (a) The pronator teres. Origin: Medial epicondyle. Insertion: Ventral surface of the radius. {h) The flexor carpi radialis. Origin: Medial epicondyle. In- sertion: Base of the second metacarpal. {c) The flexor digitorum sublimis. Origin: In common with the ulnar portion of the profundus from the medial epicon- dyle; proximal portion Dorsa/ of the ulua. Insertion: Bases of the second phal- anges of the four lateral Medial digits. {d) The palmaris. Origin: Medial epicondyle. In- sertion: Superficially on the volar fascia. This extremely slender muscle lies between the super- ficial portion of the pro- fundus and the flexor carpi ulnaris. {e) The flexor digitorum pro- fundus. Origin in four portions. Superficial portion: Medial epicon- dyle. Radial portion: Ventral surface of the radius. Mid- dle portion: Ventral surface of the ulna. Ulnar portion: Medial epicondyle in common with (c). Insertion: By five tendons on the bases of the ungual phalanges. In exposing these, care should be taken not to destroy the flexor digiti quinti (6, a). The flexor carpi ulnaris. Origin: Medial epicondyle and medial surface of the olecranon, forming two short but separate heads. Insertion: Pisiform Fig. 103. Transverse section of the distal end of the forearm. Showing the relative positions of the muscle tendons: ap, abductor poUicis; ar, radial artery; au, ulnar artery; ecu, extensor carpi ul- naris; edc, extensor digitorum communis; emp, extensor digiti quinti proprius; epi, extensor pol- licis et indicis; eqp, extensor digiti quarti pro- prius; erb, extensor carpi radialis brevis;
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