Figure 5From: Predicting the outcome of chronic kidney disease by the estimated nephron number: The rationale and design of PRONEP, a prospective, multicenter, observational cohort study Definition of the length of the cortex in this study. (A) The length of cortex is measured from the outermost glomerulus to the innermost glomerulus. (B) When the medulla is sandwiched between cortices, the total of two lengths between the outermost glomerulus to the innermost glomerulus is considered the length of the cortex in the section.Back to article page