Endoplasmic reticulum — Free Biology Illustration

Biology

Endoplasmic reticulum

An extensive intracellular endoplasmic reticulum depicted as an interconnected maze-like network of folded membranous sheets, flattened sacs, and branching curved tubules. Show layered ribbon-like cisternae with smooth to gently rippling edges, narrow enclosed lumen spaces, and thin double-line membranes forming looping sacs and tubular connections. The structure may extend through the cytoplasm, often near the nucleus, but can also be shown isolated. Include both smooth winding regions and some rough regions studded with tiny ribosome dots on the membrane surface, with a delicate wavy folded appearance.

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