two or more anastomoses fashioned from a single conduit, for example, two or more coronary arteries from a single vein graft or mammary artery.
se·quen·ti·al a·nas·to·mo·sis
(sĕ-kwen'shăl ă-nas'tŏ-mō'sis) Two or more communications fashioned from a single conduit (e.g., two or more coronary arteries from a single vein graft or mammary artery).