Medical Dictionary
Main Entry:
in·ter·nal Pronunciation:
in-'t&rn-&l Function:
adjective 1 : existing or situated within the limits orsurface of something: as
a : situated near the inside of the body
internal layer of abdominal muscle> b : situated on the side toward the midsagittalplane of the body internal surface of the lung>
2 : present or arising within an organism or one of its parts internal stimulus>
3 : applied or intended for application through the stomach by being swallowed internal remedy> —in·ter·nal·ly /in-'t&rn-&l-E/ adverb