Secretory granule — Free Physiology Illustration | GPAI | GPAI

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Secretory granule — Free Physiology Illustration | GPAI | GPAI

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Secretory granule

Secretory granule

Physiology

Secretory granule

Small spherical membrane-bound secretory granule with a smooth outer boundary and thin distinct membrane surrounding a dense homogeneous dark core. Appears slightly more electron-dense, and sometimes slightly larger and darker, than a typical clear transport vesicle. Shown as a pale gray, gray-blue, or light purple granule with a lighter rim or membrane outline and darker packed interior, suitable for a hormone-containing storage granule.

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