collateral hyperemia

col·lat·er·al hy·per·e·mi·a

increased blood flow through abundant collateral channels when the circulation through the main artery to a part is arrested.

col·lat·er·al hy·per·e·mi·a

(kŏ-lat'ĕr-ăl hī'pĕr-ē'mē-ă)
Increased blood flow through abundant collateral channels when the circulation through the main artery to a part is arrested.
Synonym(s): collateral hyperaemia.