KROK 1 Stomatology 2016 – Question 16 · KROK (Dentistry)
A microspecimen of heart shows rectangular cells from 50 to 120 micrometers large with central position of nucleus and developed myofibrils. The cells are connected by intercalated discs. These cells are responsible for the following function:
- A. Function of impulse conduction
- B. Protective
- C. Function of heart contractions
- D. Endocrine
- E. Regeneratory
Hint
Relate the abundance of myofibrils and the intercalated discs to what these cells mainly do, and compare with cardiac cells that have few myofibrils.
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