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Descriptor in English: Myofibrils
Descriptor in Spanish: Miofibrillas
Descriptor in Portuguese: Miofibrilas
Descriptor in French: Myofibrilles
Entry term(s): Myofibril
Myofilament
Myofilaments
Tree number(s): A10.690.552.875
A11.284.430.214.190.750.620
A11.620.249.850
A11.620.500.500
Scope note: The long cylindrical contractile organelles of STRIATED MUSCLE cells composed of ACTIN FILAMENTS; MYOSIN filaments; and other proteins organized in arrays of repeating units called SARCOMERES .
Allowable Qualifiers: CH chemistry
CL classification
DE drug effects
EN enzymology
GE genetics
IM immunology
ME metabolism
MI microbiology
PA pathology
PH physiology
PS parasitology
RE radiation effects
TR transplantation
UL ultrastructure
VI virology
History Note: 1965; for MYOFILAMENTS use ACTIN CYTOSKELETON 1986-2011
See also the descriptors: Muscle Contraction MeSH
DeCS UI: 9402
Descriptor UI: D009210
Date Established: 1965/01/01
Date of Entry: 1999/01/01
Revision Date: 2011/06/24
Myofibrils - Preferred
Concept UI M0014351
Scope note The long cylindrical contractile organelles of STRIATED MUSCLE cells composed of ACTIN FILAMENTS; MYOSIN filaments; and other proteins organized in arrays of repeating units called SARCOMERES .
Preferred term Myofibrils
Entry term(s) Myofibril
Myofilaments - Narrower
Concept UI M0552461
Preferred term Myofilaments
Entry term(s) Myofilament



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