PHYSIOLOGY
PULMONARY PHYSIOLOGY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The membranes covering the brain and spinal cord are ____
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Meninges
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Thalamus
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Choroid
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Hypothalamus
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Explanation:
Detailed explanation-1: -Three layers of membranes known as meninges protect the brain and spinal cord. The delicate inner layer is the pia mater. The middle layer is the arachnoid, a web-like structure filled with fluid that cushions the brain. The tough outer layer is called the dura mater .
Detailed explanation-2: -Dura Mater The outermost mater of the meninges, the dura, is composed of two layers: the periosteal layer that lies closest to the calvarium and the meningeal layer that lies closest to the brain tissue. These together contribute to the dura being a thick, dense, fibrous membrane that is quite inelastic.
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