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Muscle Fibre is a term that is often used interchangeably
with "Muscle Cell".
Muscle fibres are multinucleate (have many nuclei - see diagram below),
and many myofibrils. There
are hundreds of myofibrils in each muscle fibre.
Above: Diagram of the Structure of a Muscle Fibre.
Muscle fibres are the basic functional units of muscle
tissue - which is special because it has the ability to contact, producing
movement or force. There are three types of muscle, which are
skeletal
muscle, smooth
muscle, and cardiac
muscle. Muscle fibres are
common to all of these.
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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