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Terminations of primary afferents on lumbar motoneurons in the turtle Pseudemys scripta elegans.

Authors
  • Ruigrok, T J
  • Crowe, A
  • ten Donkelaar, H J
Type
Published Article
Journal
Brain Research
Publisher
Elsevier
Publication Date
Jul 22, 1985
Volume
339
Issue
1
Pages
141–145
Identifiers
PMID: 4027610
Source
Medline
License
Unknown

Abstract

The existence of monosynaptic contacts between primary afferents and motoneurons in the lumbar spinal cord of the turtle Pseudemys scripta elegans was demonstrated by intracellular injections of horseradish peroxidase. Three afferent-motoneuron combinations were satisfactorily labeled and revealed 1, 4 and 6 contacts respectively. All contacts were made on the dorsal dendritic tree of the motoneurons. It is suggested that the contacting primary afferents are from muscle spindles.

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