intercostal muscle

intercostal muscle
intercostal muscle n any of the short muscles that extend between the ribs filling in most of the intervals between them and serving to move the ribs in respiration:
a) any of 11 muscles on each side between the vertebrae and the junction of the ribs and their cartilages of which each arises from the caudal margin of one rib and is inserted into the cranial margin of the rib below called also external intercostal muscle
b) any of 11 muscles on each side between the sternum and the line on a rib marking an insertion of the iliocostalis of which each arises from the inner surface of a rib and its corresponding costal cartilage and is inserted into the cranial margin of the rib below called also internal intercostal muscle

Medical dictionary. 2011.

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  • Intercostal muscle — Infobox Muscle Name = Intercostal muscle Latin = GraySubject = 117 GrayPage = 403 Caption = Deep muscles of the chest and front of the arm, with the boundaries of the axilla. Caption2 = Origin = ribs 1 11 Insertion = ribs 2 12 | heh Blood =… …   Wikipedia

  • intercostal muscle — noun muscles between the ribs; they contract during inspiration • Syn: ↑intercostal, ↑musculus intercostalis • Derivationally related forms: ↑intercostal (for: ↑intercostal) • Hypernyms: ↑ …   Useful english dictionary

  • intercostal muscle — UK [ˌɪntə(r)kɒst(ə)l ˈmʌs(ə)l] / US [ˌɪntərkɑst(ə)l ˈmʌs(ə)l] noun [countable] Word forms intercostal muscle : singular intercostal muscle plural intercostal muscles medical one of the muscles between your ribs …   English dictionary

  • Innermost intercostal muscle — Latin musculus intercostalis intimus Origin Upper border of a rib Insertion    Inferior border of the rib above Artery …   Wikipedia

  • external intercostal muscle — n INTERCOSTAL MUSCLE (a) called also external intercostal …   Medical dictionary

  • internal intercostal muscle — n INTERCOSTAL MUSCLE (b) called also internal intercostal …   Medical dictionary

  • Intercostal — means between the ribs . It can refer to: * Intercostal muscle * Highest intercostal vein * Intercostal arteries …   Wikipedia

  • intercostal Anatomy — [ˌɪntə kɒst(ə)l] adjective situated between the ribs. noun an intercostal muscle. Derivatives intercostally adverb …   English new terms dictionary

  • intercostal — [in΄tər käs′təl, in΄tərkôs′təl] adj. between the ribs n. an intercostal muscle, etc. intercostally adv …   English World dictionary

  • Intercostal nerves — Infobox Nerve Name = PAGENAME Latin = nervi intercostales GraySubject = 211 GrayPage = 945 Caption = Diagram of the course and branches of a typical intercostal nerve. Caption2 = Intercostal nerves, the superficial muscles having been removed.… …   Wikipedia

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