Definition of Costal margin
Costal margin: The lower edge of the chest (thorax), formed by the bottom edge of the rib cage.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=2846
Last Editorial Review: 3/19/2012
Drug Medical Dictionary of Terms by Letter
Medical Dictionary Term:
Women's Health
Find out what women really need.
Updated & New
