A chemical that keeps blood from clotting. In most animals blood naturally clots (stops up) when their is a wound. Some parasites, like leeches, have an anti-coagulant in their saliva so blood will flow freely for them to drink.
                                                            
                                                     
                        
                                                
                        
                        
                            A medication that prevents coagulation of the blood.
                                                            
                                                     
                        
                                                
                        
                        
                            A drug that thins blood and is used to treat a number of heart conditions.
                                                            
                                                     
                        
                                                
                        
                        
                            Delays or stops blood clotting.
                                                            
                                                     
                        
                                                
                        
                        
                            Medicine that prevents or slows the clotting of blood. Also called "blood thinner". find all NHC pages containing: anti-coagulant