Within the cortex, distal convoluted tubules (D) connect with arched collecting tubules (ACT) (HA6, C), which leave the cortex and enter the medullary ray, where they become collecting tubules. The cells of the arched collecting tubule have minimal lateral interdigitations, so their lateral margins are visible. The cells have pale cytoplasms and their apical surfaces are slightly domed. There are two adjacent glomeruli in HA6.