connecting branch of vessel supplies blood to Homo sapiens pituitary gland internal carotid artery hypophysial artery superior hypophysial artery The superior hypophysial artery is an artery supplying the pars tuberalis,the infundibulum of the pituitary gland and the median eminence. It is a branch of the posterior communicating artery which branches from the internal carotid artery in the circle of Willis.. UBERON:0035404 NCIT:C33678 superior hypophyseal artery SCTID:303427008 Wikipedia:Superior_hypophysial_artery FMA:49849 UMLS:C1261387