| medial atrial vein | A vein that drains deep portions of the parietal and occipital lobes; it runs in the medial wall of the lateral ventricle to empty into the internal cerebral vein or the great cerebral vein. Synonym: vena ventriculi lateralis medialis, medial atrial vein, medial vein of lateral ventricle. (05 Mar 2000) |
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| medial basal branch of pulmonary artery | <anatomy, artery> A branch of the basal part of inferior lobar branches of the left and right pulmonary arteries. Synonym: ramus basalis medialis. (05 Mar 2000) |
| medial basal segment | Cardiac segment; medial basal segment of inferior lobe of right and left lung; can only be seen from medial and inferior surfaces since it does not reach lateral surface of lung. Synonym: segmentum basale mediale, segmentum cardiacum, cardiac segment. (05 Mar 2000) |
| medial bicipital groove | at the cubital fossa, the groove separating the biceps brachii and brachialis muscles on the medial side. Synonym: sulcus bicipitalis medialis. (05 Mar 2000) |
| medial border | The border of a structure closest to the medial plane. Synonym: margo medialis, medial margin. (05 Mar 2000) |
| medial border of foot | The inner border of the foot extending from heel to the great toe. Synonym: margo medialis pedis, margo tibialis pedis, tibial border of foot. (05 Mar 2000) |
| 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) |
| 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 scapula | The edge of the scapula closest to the vertebral column, extending from superior angle to inferior angle. Synonym: margo medialis scapulae, vertebral border of scapula. (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) |
| medial brachial cutaneous nerve | <anatomy, nerve> Arises from the medial cord of the brachial plexus, unites in the axilla with the lateral cutaneous branch of the second intercostal nerve, and supplies the skin of the medial side of the arm. Synonym: nervus cutaneus brachii medialis, lesser internal cutaneous nerve, medial cutaneous nerve of arm, Wrisberg's nerve. (05 Mar 2000) |
| medial canthus | The angle formed by the union of the upper and lower eyelids medially. Synonym: angulus oculi medialis, angulus oculi nasalis, internal canthus, medial canthus. (05 Mar 2000) |
| medial cartilaginous layer | The broad medial portion of the cartilaginous part of the auditory tube. Synonym: lamina medialis cartilaginis tubae auditivae, lamina cartilaginis medialis tubae auditivae, medial cartilaginous layer, medial layer of cartilaginous auditory tube. (05 Mar 2000) |