Term Name:	platelet dense granule
Synonyms:	bull's eye body, platelet dense body
Definition:	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.
Ontology:	GO: Cellular Component [GO:0042827]    QuickGO    AmiGO