straight tubule

straight tu·bule

one of the straight tubules of the kidney, present in the medulla and pars radiata of the cortex.
References in periodicals archive ?
It connects to the proximal straight tubule, which begins in the cortical layer and joins the descending limb of the loop of Henle in the outer medullary layer.
secreted into the proximal straight tubule and descending loop of Henle.