sub·​cos·​ta·​lis ˌsəb-käs-ˈtā-ləs How to pronounce subcostalis (audio)
plural subcostales -ˌlēz How to pronounce subcostalis (audio)
: any of a variable number of small muscles that arise on the inner surface of a rib, are inserted into the inner surface of the second or third rib below, and probably function to draw adjacent ribs together

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Cite this Entry

“Subcostalis.” Medical Dictionary, Merriam-Webster, Accessed 31 Mar. 2023.

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