| processus coronoideus | A sharp triangular projection from a bone; coronoid process of the mandible, the triangular anterior process of the mandibular ramus, giving attachment to the temporal muscle; coronoid process of the ulna, a bracket-like projection from the anterior portion of the proximal extremity of the ulna; its anterior surface gives attachment to the brachialis, its proximal surface enters into the formation of the trochlear notch. Synonym: processus coronoideus. (05 Mar 2000) |
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| 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) |
| 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) |
| 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) |
| 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 |
| 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) |
| vagina processus styloidei | A crest of bone (edge of the tympanic portion of the temporal bone) running from the front and medial side of the mastoid process to the spine of the sphenoid; it splits to ensheath the base of the styloid process. Synonym: vagina processus styloidei, vaginal process. (05 Mar 2000) |
| valvula processus vermiformis | A fold of mucous membrane, simulating a valve, sometimes found at the origin of the vermiform appendix. Synonym: Gerlach's valve, valvula processus vermiformis. (05 Mar 2000) |
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