CORPUSCLES OF STANNIUS
the bud-like evagination(s) from the wall of the pronephric duct anterior to the opisthonephros (Holosteans) or in the posterior region of the opisthonephros (Teleosteans) in the kidney. Function unknown according to some, said to be that of parathyroid glands of other vertebrates, which are lacking in fishes. This organ secretes hypocalcin (teleocalcin) to regulate calcium metabolism