MORPHOQUANTITATIVE STUDY OF AGING OF THE GUINEA PIG'S MYENTERIC PLEXUS COLLUM

Applying the NADH technique in the myenteric plexus' collum of young and aged guinea pigs, we have studied the morphology of ganglions and neurons, the number and arrangment of neurons and the profile area of neuronal bodies. Ganglions preferentialy elongated or without a defined morphology wer...

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Autores principales:	Alves,Nilton, Aparecido Liberti,Edson
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2002
Materias:	Anatomy Myenteric plexus Guinea pigs
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-98682002000200002
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spelling	oai:scielo:S0716-986820020002000022005-10-04MORPHOQUANTITATIVE STUDY OF AGING OF THE GUINEA PIG'S MYENTERIC PLEXUS COLLUMAlves,NiltonAparecido Liberti,Edson Anatomy Myenteric plexus Guinea pigs Applying the NADH technique in the myenteric plexus' collum of young and aged guinea pigs, we have studied the morphology of ganglions and neurons, the number and arrangment of neurons and the profile area of neuronal bodies. Ganglions preferentialy elongated or without a defined morphology were observed in five collum segments (proximal, intermediate proximal, medial, intermediate distal and distal). There were no important differences in this aspect from one segment to another, whether in the same age group or between the two studied groups. It has also been observed the presence of relatively small ganglions containing a reduced number of neurons and big ganglions containing a high number of these cells. The neurons were more compacted in the ganglions of the individuals from the younger group, while the majority of ganglions from the individuals of the aged group were more equally divided. Neurons mainly roundish and oval were found in both groups, neurons with the cytoplasmic contour greatly altered could be observed in various ganglions of aged animals. Concerning the area of cellular profile, the majority of neurons of both groups were found in the interval between 101 and 300 µm². Based on the determination of the fragment's area of each collum division, the density of neurons for cm² was estimated, as well as the total neuronal density, in which the individuals of the aged group was aproximately 46% smaller than that of the individuals from the younger groupinfo:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaRevista chilena de anatomía v.20 n.2 20022002-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-98682002000200002en10.4067/S0716-98682002000200002
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Anatomy Myenteric plexus Guinea pigs
spellingShingle	Anatomy Myenteric plexus Guinea pigs Alves,Nilton Aparecido Liberti,Edson MORPHOQUANTITATIVE STUDY OF AGING OF THE GUINEA PIG'S MYENTERIC PLEXUS COLLUM
description	Applying the NADH technique in the myenteric plexus' collum of young and aged guinea pigs, we have studied the morphology of ganglions and neurons, the number and arrangment of neurons and the profile area of neuronal bodies. Ganglions preferentialy elongated or without a defined morphology were observed in five collum segments (proximal, intermediate proximal, medial, intermediate distal and distal). There were no important differences in this aspect from one segment to another, whether in the same age group or between the two studied groups. It has also been observed the presence of relatively small ganglions containing a reduced number of neurons and big ganglions containing a high number of these cells. The neurons were more compacted in the ganglions of the individuals from the younger group, while the majority of ganglions from the individuals of the aged group were more equally divided. Neurons mainly roundish and oval were found in both groups, neurons with the cytoplasmic contour greatly altered could be observed in various ganglions of aged animals. Concerning the area of cellular profile, the majority of neurons of both groups were found in the interval between 101 and 300 µm². Based on the determination of the fragment's area of each collum division, the density of neurons for cm² was estimated, as well as the total neuronal density, in which the individuals of the aged group was aproximately 46% smaller than that of the individuals from the younger group
author	Alves,Nilton Aparecido Liberti,Edson
author_facet	Alves,Nilton Aparecido Liberti,Edson
author_sort	Alves,Nilton
title	MORPHOQUANTITATIVE STUDY OF AGING OF THE GUINEA PIG'S MYENTERIC PLEXUS COLLUM
title_short	MORPHOQUANTITATIVE STUDY OF AGING OF THE GUINEA PIG'S MYENTERIC PLEXUS COLLUM
title_full	MORPHOQUANTITATIVE STUDY OF AGING OF THE GUINEA PIG'S MYENTERIC PLEXUS COLLUM
title_fullStr	MORPHOQUANTITATIVE STUDY OF AGING OF THE GUINEA PIG'S MYENTERIC PLEXUS COLLUM
title_full_unstemmed	MORPHOQUANTITATIVE STUDY OF AGING OF THE GUINEA PIG'S MYENTERIC PLEXUS COLLUM
title_sort	morphoquantitative study of aging of the guinea pig's myenteric plexus collum
publisher	Sociedad Chilena de Anatomía
publishDate	2002
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-98682002000200002
work_keys_str_mv	AT alvesnilton morphoquantitativestudyofagingoftheguineapigsmyentericplexuscollum AT aparecidolibertiedson morphoquantitativestudyofagingoftheguineapigsmyentericplexuscollum
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MORPHOQUANTITATIVE STUDY OF AGING OF THE GUINEA PIG'S MYENTERIC PLEXUS COLLUM

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