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प्रश्न
Write down the functional activity of the following parts:
Vasa recta
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उत्तर
It serves as a countercurrent exchanger, maintaining the concentration gradient in the renal medulla.
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संबंधित प्रश्न
The capillary network formed by a terminal branch of the renal artery is the ______.
Which of the following is/are part(s) of the tubular part of the nephron?
Identify the CORRECT combinations in the given table.
| Part of nephron | Location | Function | |
| i. | Malpighian body | Cortex | Filtering blood |
| ii. | Proximal convoluted tubule | Cortex | Absorption of useful substances |
| iii. | Distal convoluted tubule | Only Medulla | Absorption of urea by action of ADH |
| iv. | Collecting duct | Either Cortex or Medulla | Collection of urine |
The proximal end of the renal tubule is a cup like structure called ______.
JG cells of Kidney secrete ______.
Given is a jumbled list of the parts of a certain body structure - Loop of Henle, Bowman's capsule, distal convoluted tubule, glomerulus, proximal convoluted tubule.
- Name the structure to which the listed parts belong.
- sequence from the starting point to where they end.
The statement given below is false. Rewrite the correct form of the statement by changing the underlined word.
A pair of renal arteries branch off from the vena cava and enter the kidney.
Match the items in Column I with those in Column II and write down the matching pairs.
| Column I | Column II | ||
| (a) | Bowman's capsule | (i) | Renal artery |
| (b) | Contains more CO2 and less urea | (ii) | Regulates amount of water excreted |
| (c) | Antidiuretic hormone | (iii) | Renal vein |
| (d) | Contains more urea | (iv) | Glomerulus |
Name the following:
Three types of fluids in different parts of a nephron.
The figure given below represents a kidney tubule in humans and its blood supply. Study the figure and answer the questions that follow. Write specific name and numbers shown in the diagram for each answer.
 |
- Name the part which consists of a knot - like mass of blood capillaries.
- What is the specific name for the combination of parts shown as 5 and 3?
- Name the part which collects the glomerular filtrate.
- Where is the most water reabsorbed?
- Name the part which collects urine in the diagram shown.
- Which part lies in the medulla of the kidney?
- Which of the above parts is involved in the process of tubular secretion?
- How is hydrostatic pressure created?
- Where does ultrafiltration take place?
- Name two important constituents of urine.
