The nucleus paragigantocellularis lateralis contains two classes of sympathoexcitatory medullospinal neurons, with the fast-conducting type driving the cardiac-related rhythm of lumbar sympathetic discharge.
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Identifies dual fast- and slow-conducting sympathoexcitatory pathways from PGCL in animals; leaves open their role in human sympathetic rhythms or cardiovascular disease.
Guyenet et al. (1986) studied this question.
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