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7.8. Nerve Supply of the Pericardium
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Overview

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The pericardium receives only a sensory nerve supply. The fibrous pericardium has a somatic sensory nerve supply from the phrenic nerve. The serous parietal pericardium also has somatic sensory fibres running in the phrenic nerve (remember that the phrenic nerve also has motor components that supply the muscular diaphragm). The serous visceral pericardium has only visceral sensory fibres that run in the vagus nerve. Remember that the visceral layer only detects stretch - it does not detect pain, temperature, etc like the parietal layer.