Abstract:
:Stimulation of the caudal raphe nuclei alters visceral functions. The caudal raphe nuclei project to the nucleus of the solitary tract, which receives the central terminations of vagal afferents and plays an important role in the central integration of autonomic activities. The caudal raphe nuclei also project to the somatic and preganglionic autonomic motoneurons of the spinal cord. Diamidino yellow was injected into the nucleus of the solitary tract, and fast blue was injected into either the cervical, thoracic, or lumbar spinal cord. Large numbers of double-labeled neurons were present within the caudal raphe nuclei and the adjacent reticular formation of the medial tegmental field. This observation documents that individual raphespinal and reticulospinal neurons project an axon collateral to the nucleus of the solitary tract. These data demonstrate the anatomic substrate for global modulation of the autonomic motoneuron pool by the caudal raphe nuclei.
journal_name
Exp Brain Resjournal_title
Experimental brain researchauthors
Manaker S,Fogarty PFdoi
10.1007/BF00241358subject
Has Abstractpub_date
1995-01-01 00:00:00pages
79-92issue
1eissn
0014-4819issn
1432-1106journal_volume
106pub_type
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