Microarchitecture of the Palatine Tonsil in Sheep (Ovis aries)

The tissue pieces of palatine tonsil were collected from different postnatal age groups of sheep from the Corporation Slaughter House, Perambur, Chennai. The palatine tonsil consisted of a surface epithelium, capsule, tonsillar lobes, crypts, crypt epithelium and tonsillar follicles. The surface epi...

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Autores principales:	Raju,N. K. B, Ramesh,Geetha, Basha,Sabiha Hayath, Ushakumary,S, Kishore,P. V. S
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2012
Materias:	Sheep Palatine tonsil Crypts Follicles
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022012000400034
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spelling	oai:scielo:S0717-950220120004000342013-06-20Microarchitecture of the Palatine Tonsil in Sheep (Ovis aries)Raju,N. K. BRamesh,GeethaBasha,Sabiha HayathUshakumary,SKishore,P. V. S Sheep Palatine tonsil Crypts Follicles The tissue pieces of palatine tonsil were collected from different postnatal age groups of sheep from the Corporation Slaughter House, Perambur, Chennai. The palatine tonsil consisted of a surface epithelium, capsule, tonsillar lobes, crypts, crypt epithelium and tonsillar follicles. The surface epithelium over the palatine tonsil was made up of non-keratinized stratified squamous epithelium in all the postnatal age groups studied. The palatine tonsil was clearly demarcated from the surrounding structures by a distinct connective tissue capsule and one septa dividing the tonsil into two lobes. The surface epithelium was invaginated into the substance of the tonsil to form primary and secondary crypts in each lobe. The crypt epithelium covered the regions of lymphoid follicles became lymphoepithelium. The macrophages were also observed in the epithelium. In the areas of lymphoepithelium the basement membrane was interrupted since lymphocytic infiltration was heavy into the epithelium. Numerous secondary tonsillar follicles with germinal centers separated by interfollicular areas were observed in the palatine tonsil. The tonsillar follicles consisted of a mantle zone, which was heavily populated with small darkly stained lymphocytes. These mantle zones were always oriented towards the crypts. The tonsillar follicles of young sheep showed many medium and small sized lymphocytes, lymphoblasts and also reticulocytes. The reticular cells usually appeared larger than lymphocytes and had a more abundant and organized cytoplasm with vacuoles.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.30 n.4 20122012-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022012000400034en10.4067/S0717-95022012000400034
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Sheep Palatine tonsil Crypts Follicles
spellingShingle	Sheep Palatine tonsil Crypts Follicles Raju,N. K. B Ramesh,Geetha Basha,Sabiha Hayath Ushakumary,S Kishore,P. V. S Microarchitecture of the Palatine Tonsil in Sheep (Ovis aries)
description	The tissue pieces of palatine tonsil were collected from different postnatal age groups of sheep from the Corporation Slaughter House, Perambur, Chennai. The palatine tonsil consisted of a surface epithelium, capsule, tonsillar lobes, crypts, crypt epithelium and tonsillar follicles. The surface epithelium over the palatine tonsil was made up of non-keratinized stratified squamous epithelium in all the postnatal age groups studied. The palatine tonsil was clearly demarcated from the surrounding structures by a distinct connective tissue capsule and one septa dividing the tonsil into two lobes. The surface epithelium was invaginated into the substance of the tonsil to form primary and secondary crypts in each lobe. The crypt epithelium covered the regions of lymphoid follicles became lymphoepithelium. The macrophages were also observed in the epithelium. In the areas of lymphoepithelium the basement membrane was interrupted since lymphocytic infiltration was heavy into the epithelium. Numerous secondary tonsillar follicles with germinal centers separated by interfollicular areas were observed in the palatine tonsil. The tonsillar follicles consisted of a mantle zone, which was heavily populated with small darkly stained lymphocytes. These mantle zones were always oriented towards the crypts. The tonsillar follicles of young sheep showed many medium and small sized lymphocytes, lymphoblasts and also reticulocytes. The reticular cells usually appeared larger than lymphocytes and had a more abundant and organized cytoplasm with vacuoles.
author	Raju,N. K. B Ramesh,Geetha Basha,Sabiha Hayath Ushakumary,S Kishore,P. V. S
author_facet	Raju,N. K. B Ramesh,Geetha Basha,Sabiha Hayath Ushakumary,S Kishore,P. V. S
author_sort	Raju,N. K. B
title	Microarchitecture of the Palatine Tonsil in Sheep (Ovis aries)
title_short	Microarchitecture of the Palatine Tonsil in Sheep (Ovis aries)
title_full	Microarchitecture of the Palatine Tonsil in Sheep (Ovis aries)
title_fullStr	Microarchitecture of the Palatine Tonsil in Sheep (Ovis aries)
title_full_unstemmed	Microarchitecture of the Palatine Tonsil in Sheep (Ovis aries)
title_sort	microarchitecture of the palatine tonsil in sheep (ovis aries)
publisher	Sociedad Chilena de Anatomía
publishDate	2012
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022012000400034
work_keys_str_mv	AT rajunkb microarchitectureofthepalatinetonsilinsheepovisaries AT rameshgeetha microarchitectureofthepalatinetonsilinsheepovisaries AT bashasabihahayath microarchitectureofthepalatinetonsilinsheepovisaries AT ushakumarys microarchitectureofthepalatinetonsilinsheepovisaries AT kishorepvs microarchitectureofthepalatinetonsilinsheepovisaries
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Microarchitecture of the Palatine Tonsil in Sheep (Ovis aries)

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