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Stereological Measurements of Cardiac Ultrastructures Implicated in Excitation-Contraction Coupling

✍ Scribed by Ernest Page, L. P. McCallister and B. Power

Book ID
123650255
Publisher
National Academy of Sciences
Year
1971
Tongue
English
Weight
413 KB
Volume
68
Category
Article
ISSN
0027-8424

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Na+ transport in cardiac myocytes; Impli
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✍ Donald M. Bers; Sanda Despa 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 187 KB

## Abstract Intracellular Na^+^ concentration ([Na^+^]~i~) is very important in modulating the contractile and electrical activity of the heart. Upon electrical excitation of the myocardium, voltage‐dependent Na^+^ channels open, triggering the upstroke of the action potential (AP). During the AP,