Question:
The following are the layers of the wall of veins. Arrange them in correct sequence from outer side to inner side.
(included in question content)
(I) Endothelium
(II) Elastic lamina
(III) Smooth muscles
(IV) Fibrous tissue layer
The following are the layers of the wall of veins. Arrange them in correct sequence from outer side to inner side.
(included in question content)
(I) Endothelium
(II) Elastic lamina
(III) Smooth muscles
(IV) Fibrous tissue layer
Show Hint
To remember the vein wall layers in sequence, use the mnemonic: {F}our {S}imple {E}xamples {E}nd (Fibrous, Smooth, Elastic, Endothelium).
Updated On: Jun 3, 2025
- IV, III, II, I
- I, II, III, IV
- II, IV, III, I
- IV, III, I, II
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The Correct Option is A
Solution and Explanation
The wall of veins is composed of multiple layers that help maintain venous structure and function. From outermost to innermost, the correct anatomical order is:
Fibrous tissue layer (IV) – provides mechanical strength
Smooth muscles (III) – controls vessel diameter
Elastic lamina (II) – allows elasticity
Endothelium (I) – innermost layer in direct contact with blood
Hence, the correct sequence from outer to inner is IV, III, II, I.
Fibrous tissue layer (IV) – provides mechanical strength
Smooth muscles (III) – controls vessel diameter
Elastic lamina (II) – allows elasticity
Endothelium (I) – innermost layer in direct contact with blood
Hence, the correct sequence from outer to inner is IV, III, II, I.
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