SPHEROIDAL BODIES IN THE JUNCTIONAL SARCOPLASMIC RETICULUM OF LIZARD MYOCARDIAL CELLS

The sarcoplasmic reticulum (SR) of lizard (Anolis carolinensis) myocardial cells has been examined, with particular attention being paid to the structural details of the peripheral couplings (junctional SR). Spheroidal bodies are present within the opaque core of junctional SR; these can be seen bot...

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Detalles Bibliográficos
Autores principales: Forbes, M. S., Sperelakis, N.
Formato: Texto
Lenguaje:English
Publicado: The Rockefeller University Press 1974
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2109240/
https://www.ncbi.nlm.nih.gov/pubmed/4824288
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author Forbes, M. S.
Sperelakis, N.
author_facet Forbes, M. S.
Sperelakis, N.
author_sort Forbes, M. S.
collection PubMed
description The sarcoplasmic reticulum (SR) of lizard (Anolis carolinensis) myocardial cells has been examined, with particular attention being paid to the structural details of the peripheral couplings (junctional SR). Spheroidal bodies are present within the opaque core of junctional SR; these can be seen both in sections made en face and in sections cut to show the apposition of the junctional SR with the sarcolemma. Opaque junctional processes extend between the sarcolemma and the peripheral junctional SR. The myocardial cells in addition contain some SR cisternae deep within the cells which also possess opaque cores composed of spheroids. Although the significance of the junctional SR spheroidal bodies is unknown, it is thought that they could act as a matrix on which enzymes such as calcium-specific ATPase may be located.
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spelling pubmed-21092402008-05-01 SPHEROIDAL BODIES IN THE JUNCTIONAL SARCOPLASMIC RETICULUM OF LIZARD MYOCARDIAL CELLS Forbes, M. S. Sperelakis, N. J Cell Biol Article The sarcoplasmic reticulum (SR) of lizard (Anolis carolinensis) myocardial cells has been examined, with particular attention being paid to the structural details of the peripheral couplings (junctional SR). Spheroidal bodies are present within the opaque core of junctional SR; these can be seen both in sections made en face and in sections cut to show the apposition of the junctional SR with the sarcolemma. Opaque junctional processes extend between the sarcolemma and the peripheral junctional SR. The myocardial cells in addition contain some SR cisternae deep within the cells which also possess opaque cores composed of spheroids. Although the significance of the junctional SR spheroidal bodies is unknown, it is thought that they could act as a matrix on which enzymes such as calcium-specific ATPase may be located. The Rockefeller University Press 1974-03-01 /pmc/articles/PMC2109240/ /pubmed/4824288 Text en Copyright © 1974 by The Rockefeller University Press This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/).
spellingShingle Article
Forbes, M. S.
Sperelakis, N.
SPHEROIDAL BODIES IN THE JUNCTIONAL SARCOPLASMIC RETICULUM OF LIZARD MYOCARDIAL CELLS
title SPHEROIDAL BODIES IN THE JUNCTIONAL SARCOPLASMIC RETICULUM OF LIZARD MYOCARDIAL CELLS
title_full SPHEROIDAL BODIES IN THE JUNCTIONAL SARCOPLASMIC RETICULUM OF LIZARD MYOCARDIAL CELLS
title_fullStr SPHEROIDAL BODIES IN THE JUNCTIONAL SARCOPLASMIC RETICULUM OF LIZARD MYOCARDIAL CELLS
title_full_unstemmed SPHEROIDAL BODIES IN THE JUNCTIONAL SARCOPLASMIC RETICULUM OF LIZARD MYOCARDIAL CELLS
title_short SPHEROIDAL BODIES IN THE JUNCTIONAL SARCOPLASMIC RETICULUM OF LIZARD MYOCARDIAL CELLS
title_sort spheroidal bodies in the junctional sarcoplasmic reticulum of lizard myocardial cells
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2109240/
https://www.ncbi.nlm.nih.gov/pubmed/4824288
work_keys_str_mv AT forbesms spheroidalbodiesinthejunctionalsarcoplasmicreticulumoflizardmyocardialcells
AT sperelakisn spheroidalbodiesinthejunctionalsarcoplasmicreticulumoflizardmyocardialcells

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