Heparin, histamine and mast cells.
D002468:Cell Physiological Phenomena; D006493:Heparin; D006632:Histamine / Q000378:metabolism*; D006801:Humans; D008407:Mast Cells / Q000502:physiology*
D006632:Histamine; D006493:Heparin
HEPARIN; HISTAMINE/metabolism; MAST CELLS/physiology