Angioedema, Hereditary, 3, also known as angioedema, hereditary, type iii, is related to urticaria and angioedema. An important gene associated with Angioedema, Hereditary, 3 is F12 (Coagulation Factor XII), and among its related pathways/superpathways are Response to elevated platelet cytosolic Ca2+ and Collagen chain trimerization. Affiliated tissues include skin and bone, and related phenotypes are vomiting and angioedema