Main Entry: valves of Kerk·ring Variant: orvalves of Kerck·ring/-'ker-kri[ng]/ Function: noun plural :PLICAE CIRCULARES Kerckring, Theodor(1640–1693), Dutch anatomist. Kerckring was ananatomist and physician practicing in Amsterdam. In 1670 he described the permanent transverse folds of the luminal surface of the small intestine. Although they were previously described by GabrieleFalloppio, they are now sometimes called the valves of Kerckring.
