Sarcoplasmic reticulum — Free Physiology Illustration

Physiology

Sarcoplasmic reticulum

A stylized 2D view of the sarcoplasmic reticulum as a smooth intracellular membrane network closely wrapping around an implied myofibril within a skeletal muscle cell. It appears as a delicate lace-like reticulum of interconnected flattened sacs, branching and looping smooth tubules, and thin curved channels with a hollow interior. The network has thin walls, no ribosomes, and expanded terminal cistern-like regions or enlarged terminal swellings. It is shown surrounding the contractile element in parallel, forming a reticular calcium-storage membrane system. Typical coloring is pale blue or light lavender.

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