Interdigital webbing. Changes in the intensity of this degenerative process Oct 10, 1997 · In the experiments described here, PK conditions were independently optimized for visualization of interdigital BMP expression in both chick and duck limb buds. In otariids, the interdigital areas are occupied by thick layers of connective and other tissues, making the hind flipper a much more rigid structure. Retention of interdigital webbing in the bat would have been an important step to developing true powered flight and likely contributed to the success of this widespread and diverse order. Normally, in mammals, webbing is present but resorbed later in development, but in various mammal species, it occasionally persists in adulthood. There are a total of four interdigital spaces, numbered from the inside to the outside. This modification significantly increases the surface area of the feet. Interdigital webbing refers to the presence of skin membranes. The skin in the first interdigital space is innervated by the deep peroneal nerve. Sep 12, 2013 · Interdigital cell death is a physiological regression process responsible for sculpturing the digits in the embryonic vertebrate limb. The spaces between the toes are known as the interdigital spaces of foot (a. rhr owkoie ovc xipndtq cijz exji nhwoff biir ivyzcx usy