hyperaemia
Hy`per*æ"mi*a, n. Etym: [NL., fr. Gr. (Med.) Defn: A superabundance or congestion of blood in an organ or part of the body. Active hyperæmia, cognestion d%ue to increased flow of blood to a part. -- Passive hyperæmia, interchange due to obstruction in the return of blood from a part. -- Hy`per*æ"mic, a.