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Indietro

Unit 18 The Heart

I pulsanti di controllo sono stati cambiati in modalità "navigazione".
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Termini in questo insieme (16)

  • Which chamber of the heart form the apex

    Left ventricle

  • Superficial or outer layer that protect and anchor the heart to surrounding structures. Compose by dense connective tissue.

    Fibrous pericardium

  • Double walled sac that surrounds the heart

    Pericardium

  • Reduces friction between the heart and surrounding structure

    Serous pericardium

  • Layers of the pericardium

    Parietal layer- Internal surface

    Visceral layer -external surface of the heart

  • Layer of the heart made up of cardiac tissue and act as contractile muscle cell

    Myocardium

  • Layer of the heart that contains endothelium cell , and is simple squamous epithelium

    Endocardium

  • Muscular irregular ridges on the walls of the ventricles

    Trabecula carnae

  • Help prevent the AV valves prolapse during ventricular contraction

    Papillary muscle

  • Allows ion to pass directly from cell to cell

    Gap junction

  • Anchor neighboring cells together

    Desmosomes

  • Vessels that supply the myocardium

    Left and Right Coronary Artery.

  • In pacemaker cell what ion is involve in the depolarization state.

    Calcium

  • What happen when calcium channels remain open during the depolarization of the contractile cardiac muscle

    Plateau phase , prevent tetanic contraction

  • During depolarization phase the cells inside becomes more

    positive

  • What blood vessels supply the myocardium

    RT and LT coronary arteries