Morphological Study of Myoneural Interaction between the Levator Labii Superioris Muscle and its Motor Nerve in Rats

The progress of science in search of new techniques of the nerve regeneration and the functional repair in reinnervated muscle has been the target of many researchers around the world. Consequently, nerves and muscles in different body segments asked for more enlightenment of their morphology, their...

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Autores principales:	Melo,Carina Guimarães de Souza, Shinohara,André Luis, Andreo,Jesus Carlos, Rodrigues,Antonio de Castro
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2009
Materias:	Nerve Morphology Morphometry Levator labii superioris muscle Rat
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000300002
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spelling	oai:scielo:S0717-950220090003000022010-04-05Morphological Study of Myoneural Interaction between the Levator Labii Superioris Muscle and its Motor Nerve in RatsMelo,Carina Guimarães de SouzaShinohara,André LuisAndreo,Jesus CarlosRodrigues,Antonio de Castro Nerve Morphology Morphometry Levator labii superioris muscle Rat The progress of science in search of new techniques of the nerve regeneration and the functional repair in reinnervated muscle has been the target of many researchers around the world. Consequently, nerves and muscles in different body segments asked for more enlightenment of their morphology, their interrelation with other anatomic structures and their peculiarities. One of the most significant areas that need deeper studies is the region of the head and neck, since they are often affected by important pathologies. In order to offer the researcher's community a morphological myoneural interaction model, this study elected the levator labii superioris muscle and its motor nerve, the buccal branch of the facial nerve (VII pair) not only for its special characteristics, but also its value on the facial expression. The rat was chosen for this investigation for being easy to obtain, to keep, to manipulate and to compare this experiment with many others studies previously published. The techniques used were Mesoscopic (dissection), histoenzymologic and morphometric ones.In the results the muscle proved to have a predominance of fast twich fibers (FG and FOG) and superficial location, with a proximal bone and a distal cutaneous insertion. Its motor nerve, the buccal branch of the facial nerve (VII pair), breaks through the muscle belly into its deep face, and comprised a heterogeneous group of myelinic nerve fibers disposed in a regular form in all fascicle. Near the motor point, the nerve showed to be composed of two fascicles with different sizes. Due to the small nerve dimensions, the nerve fibers have a smaller diameter if compared to the motor nerve of pectineus muscle of the cat. Further studies with neural tracers have already had a start in order to provide more information about the distribution and the architecture of these fibers.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.27 n.3 20092009-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000300002en10.4067/S0717-95022009000300002
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Nerve Morphology Morphometry Levator labii superioris muscle Rat
spellingShingle	Nerve Morphology Morphometry Levator labii superioris muscle Rat Melo,Carina Guimarães de Souza Shinohara,André Luis Andreo,Jesus Carlos Rodrigues,Antonio de Castro Morphological Study of Myoneural Interaction between the Levator Labii Superioris Muscle and its Motor Nerve in Rats
description	The progress of science in search of new techniques of the nerve regeneration and the functional repair in reinnervated muscle has been the target of many researchers around the world. Consequently, nerves and muscles in different body segments asked for more enlightenment of their morphology, their interrelation with other anatomic structures and their peculiarities. One of the most significant areas that need deeper studies is the region of the head and neck, since they are often affected by important pathologies. In order to offer the researcher's community a morphological myoneural interaction model, this study elected the levator labii superioris muscle and its motor nerve, the buccal branch of the facial nerve (VII pair) not only for its special characteristics, but also its value on the facial expression. The rat was chosen for this investigation for being easy to obtain, to keep, to manipulate and to compare this experiment with many others studies previously published. The techniques used were Mesoscopic (dissection), histoenzymologic and morphometric ones.In the results the muscle proved to have a predominance of fast twich fibers (FG and FOG) and superficial location, with a proximal bone and a distal cutaneous insertion. Its motor nerve, the buccal branch of the facial nerve (VII pair), breaks through the muscle belly into its deep face, and comprised a heterogeneous group of myelinic nerve fibers disposed in a regular form in all fascicle. Near the motor point, the nerve showed to be composed of two fascicles with different sizes. Due to the small nerve dimensions, the nerve fibers have a smaller diameter if compared to the motor nerve of pectineus muscle of the cat. Further studies with neural tracers have already had a start in order to provide more information about the distribution and the architecture of these fibers.
author	Melo,Carina Guimarães de Souza Shinohara,André Luis Andreo,Jesus Carlos Rodrigues,Antonio de Castro
author_facet	Melo,Carina Guimarães de Souza Shinohara,André Luis Andreo,Jesus Carlos Rodrigues,Antonio de Castro
author_sort	Melo,Carina Guimarães de Souza
title	Morphological Study of Myoneural Interaction between the Levator Labii Superioris Muscle and its Motor Nerve in Rats
title_short	Morphological Study of Myoneural Interaction between the Levator Labii Superioris Muscle and its Motor Nerve in Rats
title_full	Morphological Study of Myoneural Interaction between the Levator Labii Superioris Muscle and its Motor Nerve in Rats
title_fullStr	Morphological Study of Myoneural Interaction between the Levator Labii Superioris Muscle and its Motor Nerve in Rats
title_full_unstemmed	Morphological Study of Myoneural Interaction between the Levator Labii Superioris Muscle and its Motor Nerve in Rats
title_sort	morphological study of myoneural interaction between the levator labii superioris muscle and its motor nerve in rats
publisher	Sociedad Chilena de Anatomía
publishDate	2009
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000300002
work_keys_str_mv	AT melocarinaguimaraesdesouza morphologicalstudyofmyoneuralinteractionbetweenthelevatorlabiisuperiorismuscleanditsmotornerveinrats AT shinoharaandreluis morphologicalstudyofmyoneuralinteractionbetweenthelevatorlabiisuperiorismuscleanditsmotornerveinrats AT andreojesuscarlos morphologicalstudyofmyoneuralinteractionbetweenthelevatorlabiisuperiorismuscleanditsmotornerveinrats AT rodriguesantoniodecastro morphologicalstudyofmyoneuralinteractionbetweenthelevatorlabiisuperiorismuscleanditsmotornerveinrats
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Morphological Study of Myoneural Interaction between the Levator Labii Superioris Muscle and its Motor Nerve in Rats

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