Tuesday, December 27, 2016

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Endomysium, Perimysium and epimysium - definition, histology

Each muscle fibre is closely surrounded by connective tissue.
This acts as a support for the muscle fibres and unites them to each other.

1) Each muscle fibres is surrounded by delicate connective tissue that is called the endomysium.
2) Individual fasciculi are enclosed by a stronger sheath of connective tissue called the perimysium.
3) The entire muscle is surrounded by connective tissue called the epimysium.

This is illustrated by the schematic diagram below.

1= perimysium, 2= endomysium, 3= fasciculus.

At the junction of a muscle with a tendon, the fibres of the endomysium, the perimysium and the epimysium become continuous with the fibres of the tendon.

First published on: 27 December 2016


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