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6.2: Keywords

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    Please familiarize yourself with these keywords before you start reading the chapter:

    Smallest vascular channel that facilitates interchange of nutrients/waste between blood and organ.
    Elastic artery
    A large vessel that handles high pressure, high volume blood flow exiting the ventricles.
    The inner most lining of the heart and is the cardiac equivalent of the tunica intima.
    Endothelial cells:
    A highly specialized cell type that covers the luminal surface of a vascular structure.
    Outside surface of the heart comprised of connective tissue and mesothelium.
    Vascular structures responsible for draining interstitial fluid and returning it back to the cardiovascular system.
    Portion of the heart comprised of cardiac muscle.
    Sac-like structure that encloses the heart.
    Purkinje fibers
    Modified cardiomyocytes responsible for propagating electrical signals through the myocardium ensuring coordinated contraction.
    Tunica adventitia
    The outermost layer of the vessel wall composed primarily of connective tissue, smaller blood vessels and nerves.
    Tunica media
    The middle portion of the vessel wall composed of smooth muscle.
    Thinner walled vascular structures responsible for carrying deoxygenated blood back to the heart in most cases.

    6.2: Keywords is shared under a CC BY-NC-ND license and was authored, remixed, and/or curated by LibreTexts.

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