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A Thin Filament is one of the two types of protein filaments
that, together form cylindrical structures call myofibrils and which
extend along the length of muscle fibres. (The other type of protein
filament that is found in myofibrils is called a thick
filament.)
Thin filaments are formed from three proteins called actin, troponin and
tropomyosin, as shown in the labelled diagram below.
Above:
Labelled diagram of a Thin Filament.
For more advanced information about thin filaments visit: Indiana
State University .
This Section consists of short summaries about the
structures that form the muscles of the body.
This list is not exhaustive but is intended to be appropriate for students
of A-Level Human Biology, ITEC courses in massage and related subjects,
and some other courses in Health Sciences.
For more general information about Muscles see
the pages about: Anterior
Muscles, Posterior
Muscles, Facial
Muscles, Terminology
about Muscles, and the Structure
of Muscles.
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