First slide

Human Excretory System

Question

Select the features of cortical nephrons from the following:
(a) Each nephron has two parts – the glomerulus and the renal tubule.
(b) Glomerulus of the nephron is situated in the cortical region of the kidney.
(c) The loop of Henle is very long and runs deep into the medulla.
(d) Vasa recta is absent or highly reduced in cortical nephrons.

Easy

A

only b and d
B

only c
C

only a and b
D

a, b and d

Solution

Each nephron has two parts - glomerulus and the renal tubule. Glomerulus, PCT, DCT all lie in cortical region. In cortical nephrons, the loops of Henle are too short and extend only very little into the medulla. Vasa recta are ‘U’ shaped blood capillaries are highly reduced or absent for cortical nephrons.

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