Cortical portions projecting between the medullary pyramids in the human kidney.

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Solution

Inside the kidney, there are two zones, an outer cortex and an inner medulla. The medulla is divided into a few conical masses (medullary pyramids) projecting into the calyces (sing.: calyx). The cortex extends in between the medullary pyramids as renal columns called Columns of Bertini.

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Q. Name the following.

Cortical portions projecting between the medullary pyramids in the human kidney.

Q. Name the following:
(a)A chordate animal having flame cells as excretory structures.
(b) Cortical portions projecting between the medullary pyramids in human kidney.
(c) A loop of capillary running parallel to the Henles loop.

Which one of the folloiwng statement is incorrec?
(a) The medullary zone of kidney is divided into a few conical masses called madullary pyramids projecting into the calyces
(b) Inside the kidney the cortical region extends in between the medullary pyraminds as renal pelvis
(c) Glomerulus along with bowman capsule is called the renal corpuscle
(d) Renal corpuscle, proximal Convoluted Tubule (PCT) and Distal Convoluted tubule (DCT) of the nephron are sutuated in the cortical region of kidney

Out of all the following organs in mammals which does not one consist of a central 'medullary' region surrounded by a cortical region.

(a) ovary

(b) adrenal

(d) kidney

Q. Which feature enables the mammalian kidney to concentrate urine in the medullary region ?

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