Calcium-containing platelet granules.
D001792:Blood Platelets / Q000032:analysis* / Q000166:cytology; D002118:Calcium / Q000032:analysis*; D003594:Cytoplasmic Granules / Q000032:analysis; D004492:Edetic Acid; D006358:Hot Temperature; D006801:Humans; D008854:Microscopy, Electron; D013194:Staining and Labeling
D004492:Edetic Acid; D002118:Calcium