Match the anatomical feature with the part of the nephron and function. Fenestrations simple cuboidal epithelium with microvilli simple squamous epithelium descending limb adjacent to an ascending limb peritubular capillary for blood flow to the tubules loop of the nephron to establish a solute gradient in the renal medulla proximal convoluted tubule for reabsorption distal convoluted tubule for secretion loop of the nephron for passive reabsorption loop of the nephron for active reabsorption glomerulus for filtration glomerular capsule for filtration .