Somatotopy of the Neurons Innervating the Cricothyroid, Posterior Cricoarytenoid, and Thyroarytenoid Muscles of the Rat’s Larynx

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dc.contributor.authorHernández-Morato, Ignacio
dc.contributor.authorPascual-Font, Arán
dc.contributor.authorRamírez, Carlos
dc.contributor.authorMatarranz-Echeverría, Jorge
dc.contributor.authorMcHanwell, Stephen
dc.contributor.authorSañudo, Jorge R.
dc.contributor.authorValderrama-Canales, Francisco J.
dc.contributor.authorVázquez Osorio, María Teresa
dc.date.accessioned2024-05-27T14:32:02Z
dc.date.available2024-05-27T14:32:02Z
dc.date.issued2013-02-04
dc.descriptionCursos de Formación de Postgrado; Número de subvención: UCM920547
dc.description.abstractNeurons innervating the intrinsic muscles of the larynx are located within the nucleus ambiguus but the precise distribution of the neurons for each muscle is still a matter for debate. The purpose of this study was to finely determine the position and the number of the neurons innervat- ing the intrinsic laryngeal muscles cricothyroid, posterior cricoarytenoid, and thyroarytenoid in the rat. The study was carried out in a total of 28 Sprague Dawley rats. The B subunit of the cholera toxin was employed as a retrograde tracer to determine the locations, within the nucleus ambiguus, of the neurons of these intrinsic laryngeal muscles following intramuscular injection. The labelled neurons were found ipsilaterally in the nucleus ambiguus grouped in discrete populations with reproducible rostrocaudal and dorsoventral locations among the sample of animals. Neurons innervating the cricothyroid muscle were located the most ros- tral of the three populations, neurons innervating the posterior cricoary- tenoid were found more caudal, though there was a region of rostrocaudal overlap between these two populations. The most caudal were the neu- rons innervating the thyroarytenoid muscle, presenting a variable degree of overlap with the posterior cricoarytenoid muscle. The mean number (6SD) of labelled neurons was found to be 41 6 9 for the cricothyroid, 39 6 10 for the posterior cricoarytenoid and 33 6 12 for the thyroarytenoid.
dc.description.departmentDepto. de Anatomía y Embriología
dc.description.facultyFac. de Medicina
dc.description.refereedTRUE
dc.description.sponsorshipInstituto de Salud Carlos III (España)
dc.description.statuspub
dc.identifier.citationHernández-Morato I, Pascual-Font A, Ramírez C, Matarranz-Echeverría J, McHanwell S, Vázquez T, Sañudo JR, Valderrama-Canales FJ. Somatotopy of the neurons innervating the cricothyroid, posterior cricoarytenoid, and thyroarytenoid muscles of the rat's larynx. Anat Rec (Hoboken). 2013 Mar;296(3):470-9. doi: 10.1002/ar.22643. Epub 2013 Feb 4. PMID: 23381831.
dc.identifier.doi10.1002/ar.22643
dc.identifier.officialurlDOI: 10.1002/ar.22643
dc.identifier.relatedurlhttps://anatomypubs.onlinelibrary.wiley.com/doi/10.1002/ar.22643
dc.identifier.urihttps://hdl.handle.net/20.500.14352/104462
dc.journal.titleThe Anatomical Record
dc.language.isoeng
dc.page.final479
dc.page.initial470
dc.publisherWiley
dc.relation.projectIDinfo:eu-repo/grantAgreement/ISCIII/FIS/FIS070451, FIS10-02721
dc.relation.projectIDinfo:eu-repo/grantAgreement/ISCIII/FIS/FIS10-02721
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.accessRightsopen access
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject.cdu611
dc.subject.keywordNucleus ambiguus
dc.subject.keywordCholera toxin
dc.subject.keywordIntrinsic laryngeal muscles
dc.subject.keywordSomatotopy
dc.subject.keywordRat
dc.subject.ucmAnatomía
dc.subject.ucmOtorrinolaringología
dc.subject.unesco2490 Neurociencias
dc.titleSomatotopy of the Neurons Innervating the Cricothyroid, Posterior Cricoarytenoid, and Thyroarytenoid Muscles of the Rat’s Larynx
dc.typejournal article
dc.type.hasVersionVoR
dc.volume.number296
dspace.entity.typePublication
relation.isAuthorOfPublication50bffebe-126c-48d6-87a9-e5b8b24f3955
relation.isAuthorOfPublication.latestForDiscovery50bffebe-126c-48d6-87a9-e5b8b24f3955
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