Carotid body denervation in rats causes transient eupnoeic hypoventilation but does not affect CO2 sensitivity, suggesting carotid bodies are not a major determinant of CO2 sensitivity in rats.
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Rat carotid body denervation causes transient hypoventilation without altering CO2 sensitivity; hypothesis-generating for peripheral chemoreceptor roles in ventilatory control.
Mouradian et al. (2012) studied this question.