Multiple choice

Which structure is responsible for cardiac syncytium?

  1. T-tubules

  2. Intercalated discs

  3. Desmosomes

  4. Sarcoplasmic reticulum
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Intercalated discs are responsible for syncytium formation. Cardiac syncytium is a network of cardiomyocytes connected to each other by intercalated discs that enable the rapid transmission of electrical impulses through the network, enabling the syncytium to act in a coordinated contraction of myocardium.

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