Z discs is the term used
to refer to narrow plate-shaped regions that separate
(Sacromeres are the small structural units that, arranged end-to-end,
form myofibrils, one
of the functional components within muscle cells.)
The proteins at the junctions
between sarcomeres form the "Z-Discs", which are sometimes referred
to as " Z Lines" (US English).
Diagram of the unit within a muscle cell that is known as a sarcomere.
The Z Discs are a relatively darker area within the sarcomere
that extends along the total length of the thick
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