Document Detail


Study on the jaw-closing muscle, Adductor mandibulae, of the salmon, Oncorhynchus masou. 1. Fiber types.
MedLine Citation:
PMID:  6507885     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A histochemical study has been made on the jaw-closing muscle, Adductor mandibulae, of the Japanese salmon, Oncorhynchus masou. 3 main types of fibers can be distinguished on the basis of differences in SDH activity: 1. fibers with very high SDH activity; 2. fibers with intermediate SDH activity, and 3. fibers with low SDH activity, containing only a few formazan particles. And, fibers with large ranges in diameter were clearly observed in each of the three fiber types classified on the basis of SDH activity. Fibers with the highest SDH activity were recognized in the most medial part of the deep portion, whereas fibers with intermediate activity were mainly distributed in the lateral side of the deep portion. But, there was no discrete zone in the distribution of these fiber types, differing from the locomotor myotomes in the fish. These facts suggest that the A. mandibulae muscle is composed of, at least, more than 3 types of fibers and the function of this muscle is also complex in the fish as it is in the mammalian.
Authors:
N Maeda; S Miyoshi; H Toh
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Anatomischer Anzeiger     Volume:  157     ISSN:  0003-2786     ISO Abbreviation:  Anat Anz     Publication Date:  1984  
Date Detail:
Created Date:  1985-01-22     Completed Date:  1985-01-22     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  0370541     Medline TA:  Anat Anz     Country:  GERMANY, EAST    
Other Details:
Languages:  eng     Pagination:  159-66     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Animals
Capillaries
Histocytochemistry
Jaw / anatomy & histology*
Muscles / blood supply,  cytology*,  enzymology
Salmon / anatomy & histology*
Succinate Dehydrogenase / metabolism
Chemical
Reg. No./Substance:
EC 1.3.99.1/Succinate Dehydrogenase

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


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