Origin of intercostal
Related formsin·ter·cos·tal·ly, adverb
Examples from the Web for intercostal
The intercostal, and a part of the abdominal, muscles depress the ribs and lessen the chest cavity anteriorly and laterally.
This is a form of rheumatism that affects the intercostal muscles; that is, the muscles between the ribs.Special Report on Diseases of the Horse|United States Department of Agriculture
About the middle of January I was taken down with intercostal rheumatism and spinal trouble, and was very low for several months.Autobiography of Frank G. Allen, Minister of the Gospel|Frank G. Allen
The chief muscles of expiration are the four sets of abdominal muscles and the intercostal muscles that depress the ribs.
The branches of the aorta which supply the walls of the thorax, abdomen and pelvis, are the intercostal, the Parietal branches.