What are the light and dark bands in muscles?

Question

What are the light and dark bands in muscles?

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Tài Đức 4 years 2021-07-20T19:42:14+00:00 2 Answers 7 views 0

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  1. Orla
    0
    2021-07-20T19:43:17+00:00
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    Answer:

    In between the A bands is a light area where there are no thick myofilaments, only thin actin filaments. These are called the I Bands. The dark bands are the striations seen with the light microscope. When a muscle contracts the light I bands disappear and the dark A bands move closer together.

  2. nguyetanh
    0
    2021-07-20T19:43:50+00:00
    Reply

    They are the skeletal muscle tissues

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