Anatomic and histologic analysis of paca larynx (Cuniculus paca, Linnaeus 1766)
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Arquivo brasileiro de medicina veterinária e zootecnia (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352021000100155 |
Resumo: | ABSTRACT Paca (Cuniculus paca) has encouraged research as an experimental model both in the human medicine and veterinary, as well as the economic exploitation of its meat cuts, which favored its zootechnical use. There are no anatomical, microscopic descriptions and measurements of the larynx in this rodent. Eight pacas were dissected from the wild animal’s sector of the Faculty of Agricultural and Veterinary Sciences of the University of the State of São Paulo. The larynx was observed located in the ventral region of the neck, ventral to the esophagus, connecting the pharynx to the trachea, with cylindrical and irregular shape. Laryngeal cartilages (epiglottic, thyroid, cricoid and arytenoid) are interconnected and have different shapes. Thyroid showed greater length and width, compared to the others. Laryngeal cartilages were submitted to histological processing and stained with hematoxylin-eosin and Masson's trichrome. The epiglottic cartilage was stained with toluidine blue. Laryngeal cartilages thyroid, cricoid and the lower portion of the arytenoids are of hyaline origin and, in contrast, the epiglottis and the upper portion of the arytenoids are elastic. This latter cartilage demonstrated taste buds. The results will be able to auxiliate in veterinary care and as well as the conservation programs for this rodent. |
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Anatomic and histologic analysis of paca larynx (Cuniculus paca, Linnaeus 1766)laryngeal cartilagesmorphologywild rodentrespiratory systemABSTRACT Paca (Cuniculus paca) has encouraged research as an experimental model both in the human medicine and veterinary, as well as the economic exploitation of its meat cuts, which favored its zootechnical use. There are no anatomical, microscopic descriptions and measurements of the larynx in this rodent. Eight pacas were dissected from the wild animal’s sector of the Faculty of Agricultural and Veterinary Sciences of the University of the State of São Paulo. The larynx was observed located in the ventral region of the neck, ventral to the esophagus, connecting the pharynx to the trachea, with cylindrical and irregular shape. Laryngeal cartilages (epiglottic, thyroid, cricoid and arytenoid) are interconnected and have different shapes. Thyroid showed greater length and width, compared to the others. Laryngeal cartilages were submitted to histological processing and stained with hematoxylin-eosin and Masson's trichrome. The epiglottic cartilage was stained with toluidine blue. Laryngeal cartilages thyroid, cricoid and the lower portion of the arytenoids are of hyaline origin and, in contrast, the epiglottis and the upper portion of the arytenoids are elastic. This latter cartilage demonstrated taste buds. The results will be able to auxiliate in veterinary care and as well as the conservation programs for this rodent.Universidade Federal de Minas Gerais, Escola de Veterinária2021-02-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352021000100155Arquivo Brasileiro de Medicina Veterinária e Zootecnia v.73 n.1 2021reponame:Arquivo brasileiro de medicina veterinária e zootecnia (Online)instname:Universidade Federal de Minas Gerais (UFMG)instacron:UFMG10.1590/1678-4162-12156info:eu-repo/semantics/openAccessRuaro,M.A.Machado,M.R.F.Garcia,D.O.Oliveira,A.R.Dias,F.G.G.Gomes,S.P.Leal,L.M.Sasahara,T.H.C.eng2021-02-12T00:00:00Zoai:scielo:S0102-09352021000100155Revistahttps://www.scielo.br/j/abmvz/PUBhttps://old.scielo.br/oai/scielo-oai.phpjournal@vet.ufmg.br||abmvz.artigo@abmvz.org.br1678-41620102-0935opendoar:2021-02-12T00:00Arquivo brasileiro de medicina veterinária e zootecnia (Online) - Universidade Federal de Minas Gerais (UFMG)false |
dc.title.none.fl_str_mv |
Anatomic and histologic analysis of paca larynx (Cuniculus paca, Linnaeus 1766) |
title |
Anatomic and histologic analysis of paca larynx (Cuniculus paca, Linnaeus 1766) |
spellingShingle |
Anatomic and histologic analysis of paca larynx (Cuniculus paca, Linnaeus 1766) Ruaro,M.A. laryngeal cartilages morphology wild rodent respiratory system |
title_short |
Anatomic and histologic analysis of paca larynx (Cuniculus paca, Linnaeus 1766) |
title_full |
Anatomic and histologic analysis of paca larynx (Cuniculus paca, Linnaeus 1766) |
title_fullStr |
Anatomic and histologic analysis of paca larynx (Cuniculus paca, Linnaeus 1766) |
title_full_unstemmed |
Anatomic and histologic analysis of paca larynx (Cuniculus paca, Linnaeus 1766) |
title_sort |
Anatomic and histologic analysis of paca larynx (Cuniculus paca, Linnaeus 1766) |
author |
Ruaro,M.A. |
author_facet |
Ruaro,M.A. Machado,M.R.F. Garcia,D.O. Oliveira,A.R. Dias,F.G.G. Gomes,S.P. Leal,L.M. Sasahara,T.H.C. |
author_role |
author |
author2 |
Machado,M.R.F. Garcia,D.O. Oliveira,A.R. Dias,F.G.G. Gomes,S.P. Leal,L.M. Sasahara,T.H.C. |
author2_role |
author author author author author author author |
dc.contributor.author.fl_str_mv |
Ruaro,M.A. Machado,M.R.F. Garcia,D.O. Oliveira,A.R. Dias,F.G.G. Gomes,S.P. Leal,L.M. Sasahara,T.H.C. |
dc.subject.por.fl_str_mv |
laryngeal cartilages morphology wild rodent respiratory system |
topic |
laryngeal cartilages morphology wild rodent respiratory system |
description |
ABSTRACT Paca (Cuniculus paca) has encouraged research as an experimental model both in the human medicine and veterinary, as well as the economic exploitation of its meat cuts, which favored its zootechnical use. There are no anatomical, microscopic descriptions and measurements of the larynx in this rodent. Eight pacas were dissected from the wild animal’s sector of the Faculty of Agricultural and Veterinary Sciences of the University of the State of São Paulo. The larynx was observed located in the ventral region of the neck, ventral to the esophagus, connecting the pharynx to the trachea, with cylindrical and irregular shape. Laryngeal cartilages (epiglottic, thyroid, cricoid and arytenoid) are interconnected and have different shapes. Thyroid showed greater length and width, compared to the others. Laryngeal cartilages were submitted to histological processing and stained with hematoxylin-eosin and Masson's trichrome. The epiglottic cartilage was stained with toluidine blue. Laryngeal cartilages thyroid, cricoid and the lower portion of the arytenoids are of hyaline origin and, in contrast, the epiglottis and the upper portion of the arytenoids are elastic. This latter cartilage demonstrated taste buds. The results will be able to auxiliate in veterinary care and as well as the conservation programs for this rodent. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-02-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352021000100155 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352021000100155 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/1678-4162-12156 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Universidade Federal de Minas Gerais, Escola de Veterinária |
publisher.none.fl_str_mv |
Universidade Federal de Minas Gerais, Escola de Veterinária |
dc.source.none.fl_str_mv |
Arquivo Brasileiro de Medicina Veterinária e Zootecnia v.73 n.1 2021 reponame:Arquivo brasileiro de medicina veterinária e zootecnia (Online) instname:Universidade Federal de Minas Gerais (UFMG) instacron:UFMG |
instname_str |
Universidade Federal de Minas Gerais (UFMG) |
instacron_str |
UFMG |
institution |
UFMG |
reponame_str |
Arquivo brasileiro de medicina veterinária e zootecnia (Online) |
collection |
Arquivo brasileiro de medicina veterinária e zootecnia (Online) |
repository.name.fl_str_mv |
Arquivo brasileiro de medicina veterinária e zootecnia (Online) - Universidade Federal de Minas Gerais (UFMG) |
repository.mail.fl_str_mv |
journal@vet.ufmg.br||abmvz.artigo@abmvz.org.br |
_version_ |
1750220895094308864 |