| AMN | adrenomyeloneuropathy; alloxazine mononucleotide; aminonucleoside; anterior median nucleus |
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| ARN | acute renal necrosis; acute retinal necrosis; arcuate nucleus; Association of Rehabilitation Nurses |
| AVCN | anteroventral cochlear nucleus |
| CCN | caudal central nucleus; community care network; coronary care nursing; critical care nursing |
| DCbN | deep cerebellar nucleus |
| sinus tubercle | A median protuberance projecting into the embryonic urogenital sinus from its dorsal wall; it is formed from the fused caudal ends of the paramesonephric ducts and is the first evidence of the embryonic uterus and vagina. Synonym: sinus tubercle. (05 Mar 2000) |
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| soft tubercle | A tubercle showing caseous necrosis. Synonym: caseous tubercle. (05 Mar 2000) |
| nuchal tubercle | The vertebra in the cervicothoracic region which has the most prominent spinous process (seventh cervical vertebra in 70% of the cases, sixth in 20%, and first thoracic vertebra in 10%). Synonym: nuchal tubercle. (05 Mar 2000) |
| darwinian tubercle | A small projection from the upper end of the posterior portion of the incurved free margin of the helix. Synonym: tuberculum auriculae, darwinian tubercle, tuberculum superius. (05 Mar 2000) |
| superior thyroid tubercle | A blunt projection on the lamina of the thyroid cartilage on either side at the superior end of the oblique line. Synonym: tuberculum thyroideum superius. (05 Mar 2000) |
| supraglenoid tubercle | A rough surface above the glenoid cavity of the scapula, giving attachment to the tendon of the long head of the biceps within the articular cavity of the shoulder joint. Synonym: tuberculum supraglenoidale. (05 Mar 2000) |
| supratragic tubercle | A small elevation often present on the edge of the upper tragus. Synonym: tuberculum supratragicum. (05 Mar 2000) |
| dental tubercle | A small elevation on some portions of a crown produced by an extra formation of enamel. Synonym: tuberculum dentis, crown tubercle, tubercle of tooth, tuberculum coronae. (05 Mar 2000) |
| dissection tubercle | Dorsal tubercle of radius, a small prominence on the dorsal aspect of the distal end of the radius lateral to the groove for the extensor pollicis longus tendon; it serves as a trochlea or pulley for the tendon. Synonym: tuberculum dorsale, Lister's tubercle. (05 Mar 2000) |
| iliac tubercle | A prominence on the outer lip of the iliac crest about 5 cm behind the anterior superior iliac spine. Synonym: tuberculum iliacum, iliac tubercle. (05 Mar 2000) |
| inferior thyroid tubercle | A slight lateral projection from the lower margin of the lamina of the thyroid cartilage on either side, at the inferior end of the oblique line. Synonym: tuberculum thyroideum inferius. (05 Mar 2000) |
| infraglenoid tubercle | A rough surface below the glenoid cavity of the scapula, giving attachment to the long tendon of the triceps. Synonym: tuberculum infraglenoidale, infraglenoid tuberosity. (05 Mar 2000) |
| intercolumnar tubercle | A structure, situated close to the intraventricular foramen, which induces drinking behaviour after stimulation with angiotensin II. (12 Dec 1998) |
| intercondylar tubercle | One of two projections, medial and lateral, springing from the central lip of each articular surface of the tibia on either side of the intercondylar eminence. Synonym: tuberculum intercondylare. (05 Mar 2000) |
| intervenous tubercle | The slight projection on the wall of the right atrium between the orifices of the venae cavae. Synonym: tuberculum intervenosum, Lower's tubercle. (05 Mar 2000) |