AXONAL PROJECTIONS FROM RESPIRATORY CENTRES TOWARDS THE ROSTRAL VENTROLATERAL MEDULLA IN THE RAT

Paul Pilowsky, Bruce Wakefield, Jane Minson, Ida Llewellyn‐Smith, John Chalmers

    Research output: Contribution to journalArticle

    14 Citations (Scopus)

    Abstract

    1. Efferent pathways from brainstem respiratory centres towards bulbospinal tyrosine hydroxylase immunoreactive neurons were identified in the rat using a combination of electrophysiology, retrograde and anterograde tract‐tracing, and immunohistoehemistry. 2. Varicose axons originating from respiratory centres were found in close apposition to bulbospinal tyrosine hydroxylase immunoreactive neurons in the ventrolateral medulla. 3. These findings support the idea that respiratory rhythms in sympathetic nerves may be due to a synaptic connection between brainstem respiratory neurons and bulbospinal tyrosine hydroxylase immunoreactive neurons of the CI cell group.

    Original languageEnglish
    Pages (from-to)335-338
    Number of pages4
    JournalClinical and Experimental Pharmacology and Physiology
    Volume19
    Issue number5
    DOIs
    Publication statusPublished - May 1992

    Keywords

    • bulbospinal pathways
    • cholera toxin B
    • CI cell group
    • Phaseolus vulgaris‐leucoagglutinin
    • tract‐tracing.

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