| subcostal | <anatomy> Situated below the costas, or ribs; as, the subcostal muscles. The subcostal muscles are distinct from, and within, the intercostal. 1. <anatomy> A subcostal muscle. 2. <zoology> One of the principal nervures of the wings of an insect. It is situated next beneath or behind the costal. See Nervure. Source: Websters Dictionary (01 Mar 1998) |
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| subcostal artery | <anatomy, artery> Origin, thoracic aorta; distribution, inferior to twelfth rib in a manner similar to posterior intercostal arteries. Synonym: arteria subcostalis. (05 Mar 2000) |
| subcostal groove | A groove in the lower inner border of the rib, lodging the intercostal vessels and nerve. Synonym: sulcus costae, subcostal groove. (05 Mar 2000) |
| subcostal line | A transverse line transecting the inferiormost border of the thoracic cage, indicating the subcostal plane. See: subcostal plane. Synonym: linea subcostalis. (05 Mar 2000) |
| subcostal muscle | <anatomy> One of a number of inconstant muscles of the posterolateral thoracic wall having the same direction as the internal intercostal muscles but extending across (deep to) one or more ribs. Synonym: musculus subcostalis, musculus infracostalis. (05 Mar 2000) |
| subcostal nerve | <anatomy, nerve> The ventral ramus of the twelfth thoracic nerve; it courses below the last rib, supplies parts of the abdominal muscles and gives off cutaneous branches to the skin of the lower-most ventrolateral abdominal wall and to the superolateral gluteal region. Synonym: nervus subcostalis. (05 Mar 2000) |
| subcostal plane | A horizontal plane passing through the inferior limits of the costal margin, i.e., the tenth costal cartilages; it marks the boundary between the hypochondriac and epigastric regions superiorly and the lateral and umbilical regions inferiorly. Synonym: planum subcostale, infracostal line. (05 Mar 2000) |
| dorsal branch of the subcostal artery | <anatomy, artery> Terminal branch (with ventral branch) of subcostal artery, distributed to posterior vertebral column, spinal cord and environs, and back at the T12-L1 vertebral level. Synonym: rami dorsales arteriae subcostalis. (05 Mar 2000) |
| right branch of portal vein | <anatomy, vein> Terminal branch of hepatic portal vein distributed to right lobe of liver tributary: cystic vein. Synonym: ramus dexter venae portae hepatis. (05 Mar 2000) |
| right colic vein | <anatomy, vein> The vein that parallels the right colic artery and drains blood from the ascending colon and right colic flexure. Synonym: vena colica dextra. (05 Mar 2000) |
| right gastric vein | <anatomy, vein> It receives veins from both surfaces of the upper portion of the stomach, runs to the right along the lesser curvature of the stomach, and empties into the portal vein. Synonym: vena gastrica dextra, pyloric vein. (05 Mar 2000) |
| right gastroepiploic vein | <anatomy, vein> A tributary of the superior mesenteric vein that parallels the right gastroepiploic artery along the greater curvature of the stomach. Synonym: vena gastro-omentalis dextra, right gastroomental vein. (05 Mar 2000) |
| right gastroomental vein | <anatomy, vein> A tributary of the superior mesenteric vein that parallels the right gastroepiploic artery along the greater curvature of the stomach. Synonym: vena gastro-omentalis dextra, right gastroomental vein. (05 Mar 2000) |
| right inferior pulmonary vein | <anatomy, vein> The vein returning oxygenated blood from the inferior lobe of the right lung to the left atrium. Synonym: vena pulmonalis inferior dextra. (05 Mar 2000) |
| right ovarian vein | <anatomy, vein> Begins as the pampiniform plexus at the hilum of the ovary and opens into the inferior vena cava. Synonym: vena ovarica dextra. (05 Mar 2000) |