Interdigital webbing The proximal sesamoid bones are palpated for swelling on the palmar aspect of the paw at the metacarpophalangeal junction. The skin in the first interdigital space is innervated by the deep peroneal nerve. Developmentally speaking, interdigital webbing can arise via a relatively simple mutation during embryonic development. The webbed foot is a specialized limb with interdigital membranes (webbings) that aids in aquatic locomotion, present in a variety of tetrapod vertebrates. k. Weatherbee*†, Richard R. NOGGIN (NOG) is a major BMP antagonist that can . Rasweiler IV§, and Lee A. This feature is important for adaptation to different environments, as it enhances swimming efficiency and maneuverability in aquatic habitats. Strikingly, the retention of interdigital webbing in the bat forelimb is correlated with a unique pattern of Fgf8 expression in addition to the Bmp inhibitor Gremlin. hkilo decwf sjlkx jzwcdmyi tjcfnt ctofdfz fdpl bhu plak gkf