Cargando…
Anatomical description of the ventral and dorsal cervical rootlets in rats: A microsurgical study
PURPOSE: To describe the anatomical aspects of the cervical rootlets and to quantify the number of rootlets that compose C1 to T1. METHODS: Twenty male rats were used in this study. The dorsal rootlets from C1 to T1 were analyzed. To study the ventral rootlets, the posterior root avulsion was perfor...
Autores principales: | , , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia
2022
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9161624/ https://www.ncbi.nlm.nih.gov/pubmed/35674584 http://dx.doi.org/10.1590/acb370307 |
_version_ | 1784719525590073344 |
---|---|
author | dos Santos, Deivid Ramos de Araújo, Nayara Pontes Teixeira, Renan Kleber Costa Bentes, Lívia Guerreiro de Barros Giubilei, Dante Bernardes Chaves, Rosa Helena de Figueiredo Gonçalves, Arnaldo Algaranhar Yasojima, Edson Yuzur de Barros, Rui Sergio Monteiro |
author_facet | dos Santos, Deivid Ramos de Araújo, Nayara Pontes Teixeira, Renan Kleber Costa Bentes, Lívia Guerreiro de Barros Giubilei, Dante Bernardes Chaves, Rosa Helena de Figueiredo Gonçalves, Arnaldo Algaranhar Yasojima, Edson Yuzur de Barros, Rui Sergio Monteiro |
author_sort | dos Santos, Deivid Ramos |
collection | PubMed |
description | PURPOSE: To describe the anatomical aspects of the cervical rootlets and to quantify the number of rootlets that compose C1 to T1. METHODS: Twenty male rats were used in this study. The dorsal rootlets from C1 to T1 were analyzed. To study the ventral rootlets, the posterior root avulsion was performed using a microhook, allowing exposure of the ventral roots through manipulation of the denticulate ligament and arachnoid mater. The parameters analyzed were the number of ventral and dorsal rootlets by side and level. RESULTS: The formation of the respective spinal nerve was observed in the spinal roots the union of the ventral and dorsal roots. In four animals the C1 spinal root had no dorsal and/or ventral contribution. There is no normal pattern of numerical normality of the dorsal and ventral rootlets. The average number of fascicles per root was 4.08, with a slight superiority on the left side. There was a slight superiority of the dorsal rootlets compared to the ventral rootlets. CONCLUSIONS: This investigation was the first to study cervical rootlets in rats. In 20% of the sample studied, the dorsal root of C1 was absent mainly on the left side. There is a nonlinear numerical increase from C1 to T1 in the rootlets. There is a numerical predominance of cervical fascicles on the left side, confronting several studies related to the functional predominance of right laterality, requiring new studies that correlate these variables. |
format | Online Article Text |
id | pubmed-9161624 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia |
record_format | MEDLINE/PubMed |
spelling | pubmed-91616242022-06-16 Anatomical description of the ventral and dorsal cervical rootlets in rats: A microsurgical study dos Santos, Deivid Ramos de Araújo, Nayara Pontes Teixeira, Renan Kleber Costa Bentes, Lívia Guerreiro de Barros Giubilei, Dante Bernardes Chaves, Rosa Helena de Figueiredo Gonçalves, Arnaldo Algaranhar Yasojima, Edson Yuzur de Barros, Rui Sergio Monteiro Acta Cir Bras Original Article PURPOSE: To describe the anatomical aspects of the cervical rootlets and to quantify the number of rootlets that compose C1 to T1. METHODS: Twenty male rats were used in this study. The dorsal rootlets from C1 to T1 were analyzed. To study the ventral rootlets, the posterior root avulsion was performed using a microhook, allowing exposure of the ventral roots through manipulation of the denticulate ligament and arachnoid mater. The parameters analyzed were the number of ventral and dorsal rootlets by side and level. RESULTS: The formation of the respective spinal nerve was observed in the spinal roots the union of the ventral and dorsal roots. In four animals the C1 spinal root had no dorsal and/or ventral contribution. There is no normal pattern of numerical normality of the dorsal and ventral rootlets. The average number of fascicles per root was 4.08, with a slight superiority on the left side. There was a slight superiority of the dorsal rootlets compared to the ventral rootlets. CONCLUSIONS: This investigation was the first to study cervical rootlets in rats. In 20% of the sample studied, the dorsal root of C1 was absent mainly on the left side. There is a nonlinear numerical increase from C1 to T1 in the rootlets. There is a numerical predominance of cervical fascicles on the left side, confronting several studies related to the functional predominance of right laterality, requiring new studies that correlate these variables. Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia 2022-06-01 /pmc/articles/PMC9161624/ /pubmed/35674584 http://dx.doi.org/10.1590/acb370307 Text en https://creativecommons.org/licenses/by/4.0/This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Original Article dos Santos, Deivid Ramos de Araújo, Nayara Pontes Teixeira, Renan Kleber Costa Bentes, Lívia Guerreiro de Barros Giubilei, Dante Bernardes Chaves, Rosa Helena de Figueiredo Gonçalves, Arnaldo Algaranhar Yasojima, Edson Yuzur de Barros, Rui Sergio Monteiro Anatomical description of the ventral and dorsal cervical rootlets in rats: A microsurgical study |
title | Anatomical description of the ventral and dorsal cervical rootlets in rats: A microsurgical study |
title_full | Anatomical description of the ventral and dorsal cervical rootlets in rats: A microsurgical study |
title_fullStr | Anatomical description of the ventral and dorsal cervical rootlets in rats: A microsurgical study |
title_full_unstemmed | Anatomical description of the ventral and dorsal cervical rootlets in rats: A microsurgical study |
title_short | Anatomical description of the ventral and dorsal cervical rootlets in rats: A microsurgical study |
title_sort | anatomical description of the ventral and dorsal cervical rootlets in rats: a microsurgical study |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9161624/ https://www.ncbi.nlm.nih.gov/pubmed/35674584 http://dx.doi.org/10.1590/acb370307 |
work_keys_str_mv | AT dossantosdeividramos anatomicaldescriptionoftheventralanddorsalcervicalrootletsinratsamicrosurgicalstudy AT dearaujonayarapontes anatomicaldescriptionoftheventralanddorsalcervicalrootletsinratsamicrosurgicalstudy AT teixeirarenanklebercosta anatomicaldescriptionoftheventralanddorsalcervicalrootletsinratsamicrosurgicalstudy AT bentesliviaguerreirodebarros anatomicaldescriptionoftheventralanddorsalcervicalrootletsinratsamicrosurgicalstudy AT giubileidantebernardes anatomicaldescriptionoftheventralanddorsalcervicalrootletsinratsamicrosurgicalstudy AT chavesrosahelenadefigueiredo anatomicaldescriptionoftheventralanddorsalcervicalrootletsinratsamicrosurgicalstudy AT goncalvesarnaldoalgaranhar anatomicaldescriptionoftheventralanddorsalcervicalrootletsinratsamicrosurgicalstudy AT yasojimaedsonyuzur anatomicaldescriptionoftheventralanddorsalcervicalrootletsinratsamicrosurgicalstudy AT debarrosruisergiomonteiro anatomicaldescriptionoftheventralanddorsalcervicalrootletsinratsamicrosurgicalstudy |