Histology and ultrastructure of the hepatopancreas of the tigerfish, Hydrocynus forskahlii
Identifieur interne : 001117 ( Main/Exploration ); précédent : 001116; suivant : 001118Histology and ultrastructure of the hepatopancreas of the tigerfish, Hydrocynus forskahlii
Auteurs : H. J. Geyer ; Maria M. Nel [Afrique du Sud] ; J. H. Swanepoel [Afrique du Sud]Source :
- Journal of Morphology [ 0362-2525 ] ; 1996-01.
Abstract
Study of the histology and ultrastructure of the hepatopancreas of the tigerfish, Hydrocynus forskahlii shows that the liver parenchyma is divided into irregularly shaped lobules, separated by the exocrine pancreas and associated connective tissue. The hepatocytes are arranged in interconnecting cords or laminae, two to three cell layers in thickness. Sinusoids separate the laminae. The spherical to oval‐shaped hepatocytes contain large, round, centrally situated nuclei with prominent nucleoli. The cytoplasm of the hepatocytes contains abundant rough and smooth endoplasmic reticulae, free polysomes, and mitochondria. Exocrine pancreatic tissue is scattered throughout the liver. This tissue is encapsulated by an endothelium resting on a thin layer of connective tissue and is separated from the liver parenchyma by a sinusoid. The nuclei of the exocrine pancreas cells are spherical, basally situated within the cells, and contain dark nucleoli. Vesicular rough endoplasmic reticulae and secretory granules lie in the apical regions of the exocrine pancreas cells. © 1996 Wiley‐Liss, Inc.
Url:
DOI: 10.1002/(SICI)1097-4687(199601)227:1<93::AID-JMOR8>3.0.CO;2-Q
Affiliations:
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Morphol.</title><idno type="ISSN">0362-2525</idno><idno type="eISSN">1097-4687</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="1996-01">1996-01</date><biblScope unit="volume">227</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="93">93</biblScope><biblScope unit="page" to="100">100</biblScope></imprint><idno type="ISSN">0362-2525</idno></series><idno type="istex">93794C316C38B4AA1BBD4C633AF3673AC0BE4973</idno><idno type="DOI">10.1002/(SICI)1097-4687(199601)227:1<93::AID-JMOR8>3.0.CO;2-Q</idno><idno type="ArticleID">JMOR8</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0362-2525</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Study of the histology and ultrastructure of the hepatopancreas of the tigerfish, Hydrocynus forskahlii shows that the liver parenchyma is divided into irregularly shaped lobules, separated by the exocrine pancreas and associated connective tissue. The hepatocytes are arranged in interconnecting cords or laminae, two to three cell layers in thickness. Sinusoids separate the laminae. The spherical to oval‐shaped hepatocytes contain large, round, centrally situated nuclei with prominent nucleoli. The cytoplasm of the hepatocytes contains abundant rough and smooth endoplasmic reticulae, free polysomes, and mitochondria. Exocrine pancreatic tissue is scattered throughout the liver. This tissue is encapsulated by an endothelium resting on a thin layer of connective tissue and is separated from the liver parenchyma by a sinusoid. The nuclei of the exocrine pancreas cells are spherical, basally situated within the cells, and contain dark nucleoli. Vesicular rough endoplasmic reticulae and secretory granules lie in the apical regions of the exocrine pancreas cells. © 1996 Wiley‐Liss, Inc.</div></front></TEI><affiliations><list><country><li>Afrique du Sud</li></country></list><tree><noCountry><name sortKey="Geyer, H J" sort="Geyer, H J" uniqKey="Geyer H" first="H. J." last="Geyer">H. J. Geyer</name></noCountry><country name="Afrique du Sud"><noRegion><name sortKey="Nel, Maria M" sort="Nel, Maria M" uniqKey="Nel M" first="Maria M." last="Nel">Maria M. Nel</name></noRegion><name sortKey="Swanepoel, J H" sort="Swanepoel, J H" uniqKey="Swanepoel J" first="J. H." last="Swanepoel">J. H. Swanepoel</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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