platelet dense granule
Electron-dense granule occurring in blood platelets that stores and secretes adenosine nucleotides and serotonin. They contain a highly condensed core consisting of serotonin, histamine, calcium, magnesium, ATP, ADP, pyrophosphate and membrane lysosomal proteins.
GO:0030141
secretory granule
is_a
bull's eye body
exact
platelet dense body
exact