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DictionarySeeplanesubcostal plane
sub·cos·tal plane [TA] a transverse plane passing through the inferior limits of the costal margin, that is, the tenth costal cartilages; it marks the boundary between the hypochondriac and epigastric regions superiorly and the lateral and umbilical regions inferiorly. Synonym(s): planum subcostale [TA], infracostal linesub·cos·tal plane (sŭb-kos'tăl plān) [TA] 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. subcostal planeA horizontal plane passing through the lowest points of the 10th costal cartilages. It lies approx. at the level of the third lumbar vertebra. See also: plane |