Parotid Gland Comparative Microscopic Anatomy

SUMMARY: The frequent use of animal models in biomedical research means that the anatomy or histology of the animals is constantly analyzed so the results obtained can be extrapolated to human tissues; therefore, knowledge of the structures studied is truly important. This study compares the human p...

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Autores principales:	Roa,Ignacio, del Sol,Mariano
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2019
Materias:	Parotid gland Compared histology
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022019000200701
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spelling	oai:scielo:S0717-950220190002007012019-09-11Parotid Gland Comparative Microscopic AnatomyRoa,Ignaciodel Sol,Mariano Parotid gland Compared histology SUMMARY: The frequent use of animal models in biomedical research means that the anatomy or histology of the animals is constantly analyzed so the results obtained can be extrapolated to human tissues; therefore, knowledge of the structures studied is truly important. This study compares the human parotid gland to that of three animal species from a histological point of view. Five parotid gland samples from each animal species were used: Sprague Dawley rats (Rattus norvegicus), C57BL/6 mice (Mus musculus) and male rabbits (Oryctolagus cuniculus). The samples were stained using H/E, Masson trichrome and van Gieson’s techniques. The anatomical relations of the parotid glands in the three species were the facial nerve, master muscle and mandibular ramus among other anatomical elements. Histologically, the duct system in the three species is comprised of intercalated, striated, excretory ducts and main excretory ducts. Human, rodent and rabbit parotid glands are made of purely serous adenomeres. The intercalated and striated ducts are prominent. The human parotid gland is well characterized by intralobular adipose tissue, as is observed in rabbit, whereas the adipocytes are not prominent in the parotid gland in rats and mice. The tissue of the rat parotid gland contained a large number of serous acini that included a large area of gland tissue and few ducts, as observed in the rabbit and human. The glands studied present considerable morphological similarities with the human one that make them reliable candidates as experimental models of parotid tissue.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.37 n.2 20192019-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022019000200701en10.4067/S0717-95022019000200701
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Parotid gland Compared histology
spellingShingle	Parotid gland Compared histology Roa,Ignacio del Sol,Mariano Parotid Gland Comparative Microscopic Anatomy
description	SUMMARY: The frequent use of animal models in biomedical research means that the anatomy or histology of the animals is constantly analyzed so the results obtained can be extrapolated to human tissues; therefore, knowledge of the structures studied is truly important. This study compares the human parotid gland to that of three animal species from a histological point of view. Five parotid gland samples from each animal species were used: Sprague Dawley rats (Rattus norvegicus), C57BL/6 mice (Mus musculus) and male rabbits (Oryctolagus cuniculus). The samples were stained using H/E, Masson trichrome and van Gieson’s techniques. The anatomical relations of the parotid glands in the three species were the facial nerve, master muscle and mandibular ramus among other anatomical elements. Histologically, the duct system in the three species is comprised of intercalated, striated, excretory ducts and main excretory ducts. Human, rodent and rabbit parotid glands are made of purely serous adenomeres. The intercalated and striated ducts are prominent. The human parotid gland is well characterized by intralobular adipose tissue, as is observed in rabbit, whereas the adipocytes are not prominent in the parotid gland in rats and mice. The tissue of the rat parotid gland contained a large number of serous acini that included a large area of gland tissue and few ducts, as observed in the rabbit and human. The glands studied present considerable morphological similarities with the human one that make them reliable candidates as experimental models of parotid tissue.
author	Roa,Ignacio del Sol,Mariano
author_facet	Roa,Ignacio del Sol,Mariano
author_sort	Roa,Ignacio
title	Parotid Gland Comparative Microscopic Anatomy
title_short	Parotid Gland Comparative Microscopic Anatomy
title_full	Parotid Gland Comparative Microscopic Anatomy
title_fullStr	Parotid Gland Comparative Microscopic Anatomy
title_full_unstemmed	Parotid Gland Comparative Microscopic Anatomy
title_sort	parotid gland comparative microscopic anatomy
publisher	Sociedad Chilena de Anatomía
publishDate	2019
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022019000200701
work_keys_str_mv	AT roaignacio parotidglandcomparativemicroscopicanatomy AT delsolmariano parotidglandcomparativemicroscopicanatomy
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Parotid Gland Comparative Microscopic Anatomy

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