Cell Component
secretory granule
se·cre·to·ry gran·ule
Definitions related to secretory granule:
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A small subcellular vesicle, surrounded by a membrane, that is formed from the Golgi apparatus and contains a highly concentrated protein destined for secretion. Secretory granules move towards the periphery of the cell and upon stimulation, their membranes fuse with the cell membrane, and their protein load is exteriorized. Processing of the contained protein may take place in secretory granules.Gene Ontology DictionaryGene Ontology Consortium, 2021
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Usually a protein, it is produced in the granular endoplasmic reticulum and the Golgi complex. Morphologically, it is defined as a membrane-bound particle.NCI ThesaurusU.S. National Cancer Institute, 2021
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