Abstract:
:Acetylcholine (ACh) responses were elicited by ionophoresis from neurons, located in the medial pontine reticular formation, which were antidromically identified as having axons projecting in the reticulospinal tracts. Most neurons were silent at rest and could be caused to discharge at a regular, slow rate by a constant application of glutamate. ACh altered this slow rate of firing in 28 of 29 cells but showed three different patterns of effect: approximately one-third were excited, one-third were inhibited, and one-third showed biphasic inhibition-excitation. The ACh responses were not sensitive to atropine. These observations suggest that reticulospinal neurons have ACh receptors mediating both inhibition and excitation, perhaps located on different portions of the same neuron.
journal_name
Cell Mol Neurobioljournal_title
Cellular and molecular neurobiologyauthors
Greene RW,Carpenter DOdoi
10.1007/BF00716274subject
Has Abstractpub_date
1981-12-01 00:00:00pages
401-5issue
4eissn
0272-4340issn
1573-6830journal_volume
1pub_type
杂志文章abstract::1. The sensory functions of the inner ear (hearing and balance) critically depend on the precise regulation of two fluid compartments of highly desparate ion composition, i.e., the endolymph and the perilymph. 2. The parameters volume, ion composition, and pH need to be held at homeostasis irrespective of the hydratio...
journal_title:Cellular and molecular neurobiology
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