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प्रश्न
How a portal vein differs from normal vein?
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उत्तर
Hepatic portal vein differs from normal veins in that it starts as capillaries from one organ and branches into some intermediate organ (e.g. liver), before taking the blood towards the heart.
संबंधित प्रश्न
Fill in the blank with suitable word given below:
The colour of a red blood cell is due to _______________.
Fill in the blank with suitable word given below:
The blood plasma contains a dissolved substance called ______________.
Which of the following statement is true (T) and which ones are false (F)? Mark T or F:
The four blood groups in human beings are A, B, AB and AO.
Name the iron containing protein present in RBC of blood.
Name the blood vessels entering the heart and leaving the heart.
Can the blood dot inside the blood vessels. Give reason in support of your answer.
Long answer question:
Describe the histological structure of the artery, vein, and capillary.
Why is the velocity of blood flow the lowest in the capillaries?
Select the incorrect statements with respect to blood vessels.
- Capillaries are thin-walled having a single layer of ciliated epithelium.
- Arteries are pulsatile and devoid of valves.
- Portal vein starts as capillaries from one organ and ends as capillaries in another organ.
- All arteries carry oxygenated blood whereas all veins carry deoxygenated blood.
- Capillary walls bear fenestrae through which WBCs can move out by diapedesis.
Choose the correct answer from the options given below:
Distinguish between the following pair on the basis of words indicated in the bracket ( ):
Arteries and Veins (Wall and lumen)
