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Anatomic investigation of the lumbosacral plexus of the helmeted guinea fowl (Numida meleagris).

Authors
  • Nilgun, Kuru1
  • Ismail, Turkmenoglu2
  • 1 Veterinary Faculty, Sivas Cumhuriyet University, Sivas, Turkey. , (Turkey)
  • 2 Veterinary Faculty, Afyon Kocatepe University, Afyonkarahisar, Turkey. , (Turkey)
Type
Published Article
Journal
Anatomia Histologia Embryologia
Publisher
Wiley (Blackwell Publishing)
Publication Date
Mar 01, 2021
Volume
50
Issue
2
Pages
240–249
Identifiers
DOI: 10.1111/ahe.12621
PMID: 32975322
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

The study was conducted for the determination of the main nerves of the lumbosacral plexus in the helmeted guineafowl. Five helmeted guineafowls were used. Fowls were anaesthetised and the a. carotis communis was cut for blood drainage. Body cavities were revealed and were fixated with 10% formaldehyde. Nerves forming the lumbosacral plexus were dissected and photographed. Results were named according to the Nomina Anatomica Avium. It was determined that the lumbosacral plexus forms by 8 synsacral ventral rami from the ventrolateral side of synsacrum which include (2-9) synsacral spinal nerves. It was seen that the lumbar plexus was formed by the ventral rami of the 2nd, 3rd and 4th spinal nerves, and the sacral plexus was formed by the ventral rami of the 5th, 6th, 7th, 8th and 9th synsacral spinal nerves. It was observed that following nerves of n. pubicus (ilioinguinalis), r. cutaneous femoris lateralis, r. cutaneous femoris medialis (n. saphenus), n. femoralis and n. obturatorius originate from the lumbar plexus, and following nerves of n. ischiadicus, the common branch of n. fibularis and n. tibialis originate from the sacral plexus. It was determined that the n. ischiadicus was formed by the truncus cranialis, medianus and caudalis. In conclusion, it was determined that there are macro anatomical differences between different avian species in the quantity, thickness and distribution of the spinal nerves that form the lumbosacral plexus, and in formations of the plexus, and in separations of nerve branches. © 2020 Wiley-VCH GmbH.

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