[Answer] What is the perimysium?

Answer: connective tissue that surrounds groups of 10-100 individual muscle fibers separating them into bundles called fascicles.
What is the perimysium?

Epimysium – Wikipedia

Endomysium – Wikipedia

Epimysium – Wikipedia

Epimysium – Wikipedia

Perimysium is a sheath of connective tissue that groups muscle fibers into bundles (anywhere between 10 and 100 or more) or fascicles. Studies of muscle physiology suggest that the perimysium plays a role in transmitting lateral contractile movements. This hypothesis is strongly supported in one exhibition of the existence of “perimysial junctional plates” in ungulate flexor carpi radialis muscles constructed by Emilie Passerieux. The overal…

The endomysium meaning within the muscle is a wispy layer of areolar connective tissue that ensheaths each individual myocyte (muscle fiber or muscle cell). It also contains capillaries and nerves. It overlies the muscle fiber’s cell membrane: the sarcolemma. Endomysium is the deepest and smallest component of muscle connective tissue. This thin layer helps provide an appropriate chemical environment for the exchange of calcium sodium and potassium which is essential for the excitation and subsequent contra…

Anatomical terminology. Epimysium ( plural epimysia) (Greek epi- for on upon or above + Greek mys for muscle) is the fibrous tissue envelope that surrounds skeletal muscle. It is a layer of dense irregular connective tissue which ensheaths the entire muscle a…

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