The Collaborative International Dictionary of English v.0.48:
Angiology \An`gi*ol"o*gy\ ([a^]n`j[i^]*[o^]l"[-o]*j[y^]), n. [Angio- + -logy.] (Anat.) That part of anatomy which treats of blood vessels and lymphatics. [1913 Webster]WordNet (r) 3.0 (2006):
angiology n 1: the branch of medical science that studies the blood and lymph vessels and their disorders