
The lower opening of the thorax is formed by the twelfth thoracic vertebra behind, by the eleventh and twelfth ribs at the sides, and in front by the cartilages of the tenth, ninth, eighth, and seventh ribs, which ascend on either side and form an angle, the infrasternal angle or subcostal angle, into the apex of which the xiphoid process projects...
Found on
http://en.wikipedia.org/wiki/Infrasternal_angle

The angle between the lower borders of the costal cartilages of the two sides as they approach the sternum. ... Synonym: angulus infrasternalis, substernal angle. ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973

Type: Term Definitions: 1. the angle between the lower borders of the costal cartilages of the two sides as they approach the sternum. Synonyms: angulus infrasternalis, subcostal angle, subcostal arch, substernal angle
Found on
http://www.medilexicon.com/medicaldictionary.php?t=4165
No exact match found.