| medial border of forearm | An imaginary line extrapolated from the medial epicondyle of the humerus to the styloid process of the ulna, forming a border between the anterior and posterior surfaces. Synonym: margo medialis antebrachii, margo ulnaris antebrachii, ulnar margin of forearm. (05 Mar 2000) |
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| medial border of humerus | The ridge on the humerus extending from the crest of the lesser tubercle to the medial epicondyle. Synonym: margo medialis humerii. (05 Mar 2000) |
| medial border of kidney | The concave border of the kidney. Synonym: margo medialis renis. (05 Mar 2000) |
| medial border of suprarenal gland | The paravertebral edge of the suprarenal gland. Synonym: margo medialis glandulae suprarenalis. (05 Mar 2000) |
| medial border of tibia | The rounded border of the tibia that separates the posterior and medial surfaces. Synonym: margo medialis tibiae. (05 Mar 2000) |
| mesovarian border of ovary | The border of the ovary to which the mesovarium is attached. Synonym: margo mesovaricus ovarii, mesovarian margin of ovary. (05 Mar 2000) |
| right border of heart | The border between the sternocostal and diaphragmatic surfaces of the heart; it is fairly well defined in fixed hearts but is rounded and indefinite in the living heart. Synonym: margo dexter cordis, right margin of heart. (05 Mar 2000) |
| ciliary border of iris | The peripheral border of the iris attached to the ciliary body. Synonym: margo ciliaris iridis, ciliary margin of iris. (05 Mar 2000) |
| posterior border of eyelids | The posterior edge of the free margin of each eyelid, which is also the border of the conjunctiva. (05 Mar 2000) |
| posterior border of fibula | The ridge on the posterior aspect of the fibula extending from the head to the medial aspect of the peroneal groove. Synonym: margo posterior fibulae. (05 Mar 2000) |
| posterior border of petrous part of temporal bone | The margin of the petrous part of the temporal bone that extends from the apex to the jugular notch; it articulates with the basal and jugular portions of the occipital bone. Synonym: margo posterior partis petrosae ossis temporalis. (05 Mar 2000) |
| posterior border of radius | The ridge on the radius that extends from the tuberosity to the tubercle on the posterior aspect of the distal extremity. Synonym: margo posterior radii. (05 Mar 2000) |
| posterior border of testis | The rounded posterior portion of the testis into which the vessels enter. Synonym: margo posterior testis. (05 Mar 2000) |
| posterior border of ulna | 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) |
| sagittal border of parietal bone | The medial border of the parietal bone entering into the sagittal suture. Synonym: margo sagittalis ossis parietalis. (05 Mar 2000) |