Document Detail

The membrane systems of the cardiac muscle cell of Cirolana borealis Lilljeborg (Crustacea, Isopoda).
MedLine Citation:
PMID:  1182785     Owner:  NLM     Status:  MEDLINE    
The membrane systems of the cardiac muscle cell of the isopod Cirolana borealis Lilljeborg are described. The sarcolemma invaginates at the level of the Z band, forming transverse tubules. Narrow tubules branch off in a longitudinal direction from these transverse and radially arranged Tz-tubules forming a transverse collar at each A-I level, where dyadic and triadic junctions are formed with the sarcoplasmic reticulum. Two different orientations of the coupling discs have been detected in the supercontracted sarcomere, and this observation has been discussed. Adjacent myofibrils are separated by a double layer of sarcoplasmic reticulum.
A Tjonneland; R Myklebust; H Jensen
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Cell and tissue research     Volume:  163     ISSN:  0302-766X     ISO Abbreviation:  Cell Tissue Res.     Publication Date:  1975 Nov 
Date Detail:
Created Date:  1976-02-02     Completed Date:  1976-02-02     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  0417625     Medline TA:  Cell Tissue Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  175-84     Citation Subset:  IM    
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MeSH Terms
Crustacea / anatomy & histology*
Myocardium / ultrastructure*
Myofibrils / ultrastructure
Sarcolemma / ultrastructure
Sarcoplasmic Reticulum / ultrastructure

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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