Source : Webster's Revised Unabridged Dictionary (1913)

Angiology \An`gi*ol"o*gy\ (-[o^]l"[-o]*j[y^]), n. [Angio- +
   -logy.] (Anat.)
   That part of anatomy which treats of blood vessels and
   lymphatics.

Source : WordNet®

angiology
     n : the branch of medical science that studies the blood and
         lymph vessels and their disorders