See Also: internal intercostal muscle(medicine)
internal intercostal membrane(medicine)
anterior intercostal branches of internal thoracic artery(medicine)
intercostal muscle(medicine)
innermost intercostal muscle(medicine)
internal medicine(medicine)
Internal Medicine(health)
internal medicine(encyclopedia)
internal medicine(dictionary)
Internal medicine doctor(health)

internal intercostal muscle (medicine)


internal intercostal muscle
<anatomy> Each arises from lower border of rib and passes obliquely downward and backward to be inserted into upper border of rib below; action, contract during expiration, also maintain tension in the intercostal spaces to resist mediolateral movement; nerve supply, intercostal.

Synonym: musculus intercostalis internus.