| caput ulnae | The small rounded distal extremity of the ulna articulating with the ulnar notch of the radius and the articular disk. Synonym: caput ulnae. (05 Mar 2000) |
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| margo anterior ulnae | The ridge on the body of the ulna that extends from the tuberosity to the anterior part of the styloid process. Synonym: margo anterior ulnae. (05 Mar 2000) |
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| margo interosseus ulnae | The ridge along the lateral side of the body of the ulna to which is attached the interosseous membrane. Synonym: margo interosseus ulnae. (05 Mar 2000) |
| margo posterior ulnae | The sinuous palpable subcutaneous ridge on the posterior aspect of the ulna that extends from near the olecranon to the styloid process, demarcating "anterior" (flexor) from "posterior" (extensor) compartments of forearm. Synonym: margo posterior ulnae. (05 Mar 2000) |
| circumferentia articularis ulnae | The portion of the head of the ulna that articulates with the ulnar notch of the radius. Synonym: circumferentia articularis ulnae. (05 Mar 2000) |
| corpus ulnae | shaft of ulna |
| processus styloideus ulnae | A cylindrical, pointed palpable projection from the medial and posterior aspect of the head of the ulna, to the tip of which is attached the ulnar collateral ligament of the wrist. Synonym: processus styloideus ulnae. (05 Mar 2000) |
| incisura semilunaris ulnae | The large saemicircular notch at the proximal extremity of the ulna between the olecranon and coronoid processes that articulates with the trochlea of the humerus. Synonym: incisura trochlearis, incisura semilunaris ulnae, semilunar notch. (05 Mar 2000) |
| tuberositas ulnae | A prominence at the lower border of the anterior surface of the coronoid process, giving attachment to the brachialis muscle. Synonym: tuberositas ulnae. (05 Mar 2000) |
| facies anterior ulnae | The anterior surface of the ulna. Synonym: facies anterior ulnae. (05 Mar 2000) |
| facies medialis ulnae | facies medialis ulnae |
| facies posterior ulnae | The posterior surface of the ulna. Synonym: facies posterior ulnae. (05 Mar 2000) |
| caput | 1. The upper or anterior extremity of the animal body, containing the brain and the organs of sight, hearing, taste, and smell. 2. The upper, anterior, or larger extremity, expanded or rounded, of any body, organ, or other anatomical structure. 3. The rounded extremity of a bone. 4. That end of a muscle which is attached to the less movable part of the skeleton. Synonym: head. Origin: L. (05 Mar 2000) |
| caput angulare quadrati labii superioris | <anatomy, muscle> Origin, root of nasal process of maxilla; insertion, wing of nose and orbicularis oris muscle of upper lip; action, elevates upper lip and wing of nose; nerve supply, facial. Synonym: musculus levator labii superioris alaeque nasi, caput angulare quadrati labii superioris, elevator muscle of upper lip and wing of nose. (05 Mar 2000) |
| caput breve | For a muscle with two heads of origin (a "biceps" muscle), the head originating nearest the insertion. See: short head of biceps brachii muscle, short head of biceps femoris muscle. Synonym: caput breve. (05 Mar 2000) |
| caput breve musculi bicipitis brachii | <anatomy> Head of biceps brachii originating from coracoid process of scapula. Synonym: caput breve musculi bicipitis brachii. (05 Mar 2000) |
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