substernal angle
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angle — The meeting point of two lines or planes; the figure formed by the junction of two lines or planes; the space bounded on two sides by lines or planes that meet. For angles not listed below, see the descriptive term; e.g., axioincisal, distobuccal … Medical dictionary
angulus infrasternalis — [TA] infrasternal angle of thorax: the angle on the anteroinferior surface of the thorax, the apex of which is the sternoxiphoid junction, and the sides of which are the seventh, eighth, and ninth costal cartilages; it partially delimits two… … Medical dictionary
test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
