loop of HenlePronunciation: /ˈhɛnli/Definition of loop of Henle noun Anatomy the part of a kidney tubule which forms a long loop in the medulla of the kidney, from which water and salts are resorbed into the blood. Origin: mid 19th century: named after Friedrich G. J. Henle (1809–85), German anatomistloop of Henle in other Oxford dictionaries Definition of loop of Henle in the US English dictionary