Bleeding Disorder, Platelet-Type, 8, also known as bleeding disorder due to p2ry12 defect, is related to bleeding disorder due to p2y12 defect and nizon-isidor syndrome. An important gene associated with Bleeding Disorder, Platelet-Type, 8 is P2RY12 (Purinergic Receptor P2Y12), and among its related pathways/superpathways are Purinergic signaling and Platelet Aggregation Inhibitor Pathway, Pharmacodynamics. Affiliated tissues include bone marrow and bone, and related phenotypes are epistaxis and bruising susceptibility