Blood thinners
Anticoagulation is the medical term for inhibits clotting.
Blood type has no bearing on the tattoo itself. The main barriers to tattooing are hemophilia, which inhibits the clotting of blood, and diabetes, which increases the impact of even a slight infection.
Stops blood from clotting.
Thrombocytopenia, the name for low blood platelets, results in your blood not clotting, or not clotting as well as it should. It has several causes, and a person whose blood is not clotting as it should needs to see a doctor so the cause can be determined.
It means the blood is clotting. That's what it should do.
Platelets help with blood clotting
The chief plasma component to the clotting of blood is the platelet. The additional components include blood clotting factors.
Red blood cells do not initiate clotting. Platelets initiate clotting.
Hemophilia
An anticoagulant stops the blood from clotting.
Plasma is the liquid component of blood. It does not cause the clotting. The part of blood that causes clotting are the platelets.