Vasa recta refers to

Rectum region of the insects

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Blood capillaries in invertebrates

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A fine blood capillary network of afferent arteriole

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A fine capillary which runs parallel to Henles loop

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Juxtaglomerular complex of nephrons.

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Solution

The correct option is D A fine capillary which runs parallel to Henles loop
Vasa recta are the blood vessels running parallel to loop of Henle forming a counter current system in juxta-medullary nephron. These are in the continuation of efferent arteriole.
The slow blood flow of vas recta is responsible for maintaining the hyperosmolarity of interstitium fluid.

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Similar questions

The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.

Parts indicated by the guidelines 1 to 8 are as follows :

1. Afferent arteriole from the renal artery;

2. Efferent arteriole

3. Bowman's capsule,

4. Glomerulus ;

5. Proximal convoluted tubule with blood capillaries;

6. Distal convoluted tubule with blood capillaries;

7. Collecting tubule;

8. U-shaped loop of Henle.

Study the diagram and answer the questions that follow;

(a) Where does ultrafiltration take place?

(b) Which structure contains the lowest concentration of urea?

(d) Which structure (normally) contains the lowest concentration of glucose?

(e) Where is most water reabsorbed?

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