OCR Text |
Show 1894.] ANATOMY O F ORNITHORHYNCHUS. 701 middle finger, one from each part; the remaining digits have one each. A slip is sent round radial side of manus. Nerve-supply from posterior interosseous. Fig. 2. MUSCLES OP FRONT OP FOREARM AND HAND. a. Flexor profundus digitorum. /3. Flexor carpi ulnaris. y. Portion of insertion of Panniculus. . , ,, . o. Extensor minimi digiti. 1 Muscles of posterior surface seen at left side e. Extensor indicis. J of diagram. A. Expanded olecranon. B. Lower end of internal condyle of humerus. C. Lower part of shaft of ulna. Extensor minimi digiti.--This is a fairly large muscle. It arises from the lower end of the humerus, in common with the other extensors. It is inserted into the fifth digit. ( There is also a slender special extensor passing to the fourth digit. |