| columnae renales | The prolongations of cortical substance separating the pyramids of the kidney. Synonym: columnae renales, Bertin's columns. (05 Mar 2000) |
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| calices renales majores | The primary subdivisions of the renal pelvis, usually two or three in number. Synonym: calices renales majores. (05 Mar 2000) |
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| calices renales minores | The subdivisions of the major calices, varying in number from 7 to 13, which receive the renal papillae. Synonym: calices renales minores. (05 Mar 2000) |
| rami renales nervi vagi | <anatomy, nerve> Branches of vagus nerve to kidney via the coeliac plexus. Synonym: rami renales nervi vagi. (05 Mar 2000) |
| venae renales | Large veins formed at the renal hilus by the merger of the segmental veins anterior to the corresponding arteries; they open at right angles into the inferior vena cava at the level of the second lumbar vertebra. The left renal vein receives the left suprarenal vein and the left gonadal vein, and passes through the angle between the abdominal aorta and superior mesenteric artery where it may be compressed. Synonym: venae renales. (05 Mar 2000) |
| venae columnae vertebralis | Includes the internal and external vertebral venous plexuses, the basivertebral veins, and the anterior and posterior spinal veins. Synonym: venae columnae vertebralis. (05 Mar 2000) |
| cervix columnae posterioris | A slight constriction of the posterior gray column of the spinal cord, seen on cross-section just behind the gray commissure. (05 Mar 2000) |
| columnae anales | A number of vertical ridges in the mucous membrane of the upper half of the anal canal formed as the caliber of the canal is sharply reduced from that of the rectal ampulla. Synonym: columnae anales, Morgagni's columns, rectal columns. (05 Mar 2000) |
| columnae carneae | Muscular bundles on the lining walls of the ventricles of the heart. Synonym: columnae carneae, Rathke's bundles. (05 Mar 2000) |
| columnae griseae | The three somewhat ridge-shaped masses of gray matter (anterior, posterior, and lateral columns) that extend longitudinally through the centre of each lateral half of the spinal cord; in transverse sections these columns appear as gray horns and are therefore commonly called ventral or anterior, dorsal or posterior, and lateral horn, respectively. Synonym: columnae griseae. (05 Mar 2000) |
| columnae rugarum | Two slight longitudinal ridges, anterior and posterior, in the vaginal mucous membrane, each marked by a number of transverse mucosal folds. Synonym: columnae rugarum, vaginal columns. (05 Mar 2000) |
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