FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
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Term platelet dense tubular network ID (Ontology) GO:0031094 (Gene Ontology)
Definition A network of membrane-bounded compartments found in blood platelets, where they regulate platelet activation by sequestering or releasing calcium. The dense tubular network exists as thin elongated membranes in resting platelets, and undergoes a major ultrastructural change, to a rounded vesicular form, upon addition of thrombin.[ PubMed:1322202 ]
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membrane-bounded organelle__
intracellular organelle_____|
                            intracellular membrane-bounded organelle
                             |__platelet dense tubular network
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Is a intracellular membrane-bounded organelle
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