Rakesh got hurt on his head when he fell down from his motorbike. Whic

1.	Rakesh got hurt on his head when he fell down from his motorbike. Which inner membranes must have protected his brain? What other roles do they have to play
Answer» 1. When Rakesh fell down from his motorbike, the inner membranes that protected his brain were meninges, viz. dura mater, arachnoid membrane and pia mater. Morevover, CSF must have also acted as a shock absorber. 2. Dura mater : It is the outer tough membrane protective in function. 3. Arachnoid membrane : It is the middle web-like membrane which communicates with fluids of upper sub dural space and lower sub arachnoid space. 4. Pia mater : It is the innermost highly vascularised nutritive membrane in close contact with brain and spinal cord.

Rakesh got hurt on his head when he fell down from his motorbike. Which inner membranes must have protected his brain? What other roles do they have to play

Answer»

1. When Rakesh fell down from his motorbike, the inner membranes that protected his brain were meninges, viz. dura mater, arachnoid membrane and pia mater. Morevover, CSF must have also acted as a shock absorber.

2. Dura mater : It is the outer tough membrane protective in function.

3. Arachnoid membrane : It is the middle web-like membrane which communicates with fluids of upper sub dural space and lower sub arachnoid space.

4. Pia mater : It is the innermost highly vascularised nutritive membrane in close contact with brain and spinal cord.

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