Medical Definition of Internal intercostal muscle

1. 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. (05 Mar 2000)



Internal Intercostal Muscle Pictures

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Lexicographical Neighbors of Internal Intercostal Muscle

internal exile
internal fertilization
internal fistula
internal fixation
internal fixators
internal haemorrhage
internal haemorrhoids
internal hernia
internal hydrocephalus
internal iliac artery
internal iliac lymph nodes
internal iliac vein
internal intercostal membrane
internal intercostal muscle (current term)
internal jugular vein
internal lacrimal fistula
internal limiting membrane
internal link
internal lip of iliac crest
internal malleolus
internal mammary-coronary artery anastomosis
internal mammary artery
internal mammary plexus
internal maxillary artery
internal maxillary plexus
internal medicine
internal medullary lamina

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