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Fibre typing of int...
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Thornell, Lars-EricUmeå universitet,Institutionen för integrativ medicinsk biologi (IMB)
(author)
Fibre typing of intrafusal fibres
- Article/chapterEnglish2015
Publisher, publication year, extent ...
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2015-07-14
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John Wiley & Sons,2015
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:umu-106768
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https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-106768URI
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https://doi.org/10.1111/joa.12338DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:for swepub-publicationtype
Notes
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The first descriptions of muscle spindles with intrafusal fibres containing striated myofibrils and nervous elements were given approximately 150years ago. It took, however, another 100years to establish the presence of two types of intrafusal muscle fibres: nuclear bag and nuclear chain fibres. The present paper highlights primarily the contribution of Robert Banks in fibre typing of intrafusal fibres: the confirmation of the principle of two types of nuclear bag fibres in mammalian spindles and the variation in occurrence of a dense M-band along the fibres. Furthermore, this paper summarizes how studies from the Umea University group (Laboratory of Muscle Biology in the Department of Integrative Medical Biology) on fibre typing and the structure and composition of M-bands have contributed to the current understanding of muscle spindle complexity in adult humans as well as to muscle spindle development and effects of ageing. The variable molecular composition of the intrafusal sarcomeres with respect to myosin heavy chains and M-band proteins gives new perspectives on the role of the intrafusal myofibrils as stretch-activated sensors influencing tension/stiffness and signalling to nuclei.
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Carlsson, LenaUmeå universitet,Institutionen för integrativ medicinsk biologi (IMB)(Swepub:umu)leca0003
(author)
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Eriksson, Per-OlofUmeå universitet,Klinisk oral fysiologi(Swepub:umu)peer0001
(author)
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Liu, Jing-XiaUmeå universitet,Institutionen för integrativ medicinsk biologi (IMB)(Swepub:umu)liji0001
(author)
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Österlund, Catharina,1965-Umeå universitet,Klinisk oral fysiologi(Swepub:umu)caaosd84
(author)
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Stål, PerUmeå universitet,Institutionen för integrativ medicinsk biologi (IMB)(Swepub:umu)pest0002
(author)
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Pedrosa-Domellöf, FatimaUmeå universitet,Institutionen för integrativ medicinsk biologi (IMB),Oftalmiatrik(Swepub:umu)fape0001
(author)
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Umeå universitetInstitutionen för integrativ medicinsk biologi (IMB)
(creator_code:org_t)
Related titles
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In:Journal of Anatomy: John Wiley & Sons227:2, s. 136-1560021-87821469-7580
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