Muscle Fibre Structure #5
by Mikkel Juul Jensen/science Photo Library
Title
Muscle Fibre Structure #5
Artist
Mikkel Juul Jensen/science Photo Library
Medium
Photograph - Photograph
Description
Muscle fibre structure, illustration. Muscles fibres (right) are formed of many myofibrils (red), the basic protein unit of a muscle cell, surrounded by sarcolemma connective tissue (pink). Within the muscle fibre are mitochondria (orange), which provide energy, and transverse tubules (purple), an extension of the cell membrane that conduct action potentials through the muscle. Each myofibril is surrounded by sarcoplasmic reticulum (blue).
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February 23rd, 2021
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