| 1. muscle or organ located between the ribs (Anatomy). located between the ribs (Anatomy). intercostalin`ter*costal , a. (anat. & physiol.) between the ribs; pertaining to, or produced by, the parts between the ribs; as, intercostal respiration, in which the chest is alternately enlarged and contracted by the intercostal muscles.intercostal (anatomy) located or occurring between the ribs; intercostal muscles muscles between the ribs; they contract during inspiration [syn: intercostal muscle, musculus intercostalis] |
