because the medullary thick ascending limb of the loop of henle is the target of several polypeptide hormones that stimulate adenyl cyclase in this nephron segment , we examined the effects of cyclic amp on thick ascending limb of the loop of henle cells isolated by enzymatic digestion and density gradient centrifugation from the outer medulla of the rabbit kidney .
C0027713
nephron
C0227658
ascending limb of