Medical Definition of Infracostal
1.
Situated below the costas, or ribs; as, the subcostal muscles.
The subcostal muscles are distinct from, and within, the intercostal.
1. A subcostal muscle.
2. One of the principal nervures of the wings of an insect. It is situated next beneath or behind the costal. See Nervure.
Source: Websters Dictionary
(01 Mar 1998)
Lexicographical Neighbors of Infracostal
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