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Histomorphogenesis of cranial nerves in Huso huso larvae

S. Tavighi,Z. Saadatfar,B. Shojaei,Morteza Behnam Rassouli

Published 2016 in Veterinary Research Forum

ABSTRACT

In this study the cranial nerves development of H. huso are explained from 1 to 54-days-old (1, 3, 6, 15, 21 and 54 days). Despite all the researches on fish brain, there are no study on nerves evolution on H. huso during their larvae life. For this research 40 samples of larvae H. huso were obtained (from each age, about six samples were selected). The specimens were maintained in fiberglass tank, then histological samples were taken from tissues and stained with hematoxylin and eosin for general histological studies using light microscope. According to the results, on 1 and 3-days-old, no nerve was observed. The terminal nerve and their dendrites were observed around the nasal cavity and the axons projected to different areas in forebrain especially around olfactory bulb diffusely, on 6-day-old fish. Also, olfactory, optic, oculomotor, trochlear, trigeminal, lateral line and vagus nerves were detected on 6-day-old fish, however two parts of lateral line nerve were separated on 54-day-old. Three nerves, profundus, facial and octaval were observed on 54-day-old, however, up to this age, epiphysial nerve was not observed.

PUBLICATION RECORD

  • Publication year

    2016

  • Venue

    Veterinary Research Forum

  • Publication date

    2016-06-12

  • Fields of study

    Biology, Medicine, Environmental Science

  • Identifiers
    PMID 27482355PMCID 4959338
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar, PubMed

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