20
Question
The given diagram is an external view of the human brain. Study the same and answer the questions that follows.
(iv) Mention the collective term for the membranes covering the brain.
(iv) Mention the collective term for the membranes covering the brain.
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Solution
Meninges
The brain is protected by three membranous coverings called meninges. The three coverings include:
(I) Dura mater: the outermost tough fibrous membrane.
(ii) Arachnoid: the thin delicate middle layer forming a web-like cushion.
(iii) Pia mater: the innermost highly vascular membrane, richly supplied with blood.
The brain is protected by three membranous coverings called meninges. The three coverings include:
(I) Dura mater: the outermost tough fibrous membrane.
(ii) Arachnoid: the thin delicate middle layer forming a web-like cushion.
(iii) Pia mater: the innermost highly vascular membrane, richly supplied with blood.
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