Clue 1: The tiny conducting branches that make contact with the myocardial cells. Clue 2: The specialised conducting junctions between myocardial cells. Clue 3: The pacemaker of th... Clue 1: The tiny conducting branches that make contact with the myocardial cells. Clue 2: The specialised conducting junctions between myocardial cells. Clue 3: The pacemaker of the heart. Clue 4: The secondary pacemaker of the heart. Clue 5: The conducting tissue passing through the fibrous ring separating the atria and the ventricles. Clue 6: Cardiac contraction. Clue 7: Cardiac relaxation. Clue 8: Electrical activation of a myocardial cell. Clue 9: Restoration of the myocardial cell membrane potential to its resting state. Clue 10: The branch of the autonomic nervous system that speeds up sino-atrial node discharge. Clue 11: The branch of the autonomic nervous system that slows down sino-atrial node discharge. Clue 12: The ability of the myocardium to initiate its own electrical signals.
Understand the Problem
The question provides a list of clues related to the anatomy and physiology of the heart, likely intended for identifying related terms or concepts in cardiology.
Answer
1: Purkinje fibers, 2: Intercalated discs, 3: SA node, 4: AV node, 5: Bundle of His, 6: Systole, 7: Diastole, 8: Depolarization, 9: Repolarization, 10: Sympathetic, 11: Parasympathetic, 12: Automaticity
1: Purkinje fibers, 2: Intercalated discs, 3: Sinoatrial (SA) node, 4: Atrioventricular (AV) node, 5: Bundle of His, 6: Systole, 7: Diastole, 8: Depolarization, 9: Repolarization, 10: Sympathetic nervous system, 11: Parasympathetic nervous system, 12: Automaticity
Answer for screen readers
1: Purkinje fibers, 2: Intercalated discs, 3: Sinoatrial (SA) node, 4: Atrioventricular (AV) node, 5: Bundle of His, 6: Systole, 7: Diastole, 8: Depolarization, 9: Repolarization, 10: Sympathetic nervous system, 11: Parasympathetic nervous system, 12: Automaticity
More Information
The SA node generates electrical impulses for heart rhythm, while the AV node acts as a secondary pacemaker. Purkinje fibers rapidly conduct impulses to ventricles. Automaticity allows heart self-regulation.
Sources
- Heart Conduction System (Cardiac Conduction) - Cleveland Clinic - my.clevelandclinic.org
- Electrical Conduction System of the Heart Explained - Pearson - pearson.com
- Solved ardiac Muscle and Electrical Activity | Chegg.com - chegg.com
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