What is unique about transport epithelial cells in the ascending loop of Henle in humans?
A)They are the largest epithelial cells in the body.
B)They are not in contact with interstitial fluid.
C)Their membranes are impermeable to water.
D)50% of their cell mass is comprised of smooth endoplasmic reticulum.
E)They are not affected by high levels of nitrogenous wastes.

Question

Quizplus · Accepted Answer

The unique feature of transport epithelial cells in the ascending loop of Henle is that their membranes are impermeable to water. This allows them to create a high osmotic gradient that is necessary for the production of concentrated urine.

What Is Unique About Transport Epithelial Cells in the Ascending