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Diversity in localisation of nitric oxide synthase antigen and NADPH-diaphorase histochemical staining in sacral somatic motor neurones of the cat

Authors
Journal
Neuroscience Letters
0304-3940
Publisher
Elsevier
Publication Date
Volume
196
Identifiers
DOI: 10.1016/0304-3940(95)11831-g
Keywords
  • Onuf'S Nucleus
  • Nitric Oxide
  • Nos
  • Motoneurone
  • Anal Sphincter
Disciplines
  • Chemistry

Abstract

Abstract Nitric oxide synthase (NOS) immunoreactivity occurred in about 60% of ventromedial, ventrolateral, and sphincteric motoneurones in cat sacral spinal cord. Proportions of sacral motoneurones histochemically stained for NADPH-diaphorase, were similar, and equivalent in size to those immunoreactive for NOS, suggesting co-localisation of diaphorase and NOS. Double staining techniques revealed that NOS co-localised with NADPH-diaphorase in approximately 60% of sacral motoneurones. Some remaining motoneurones exhibited neither NOS nor NADPH-diaphorase, while others exhibited only NOS or NADPH-diaphorase, indicating phenotypic differences among sacral motoneurones.

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