Question

Name the meningeal membranes of brain​

Answer 1

Answer:

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.

Explanation:

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Answer 2

Answer:

The meninges are the three membranes that envelop the brain and spinal cord and separate them from the walls of their bony cases (skull and vertebral column). Based on their location, meninges are referred to as the cranial meninges which envelop the brain, and spinal meninges which envelop the spinal cord. However, the cranial and spinal meninges are continuous with each other and consist of the same three meningeal layers. From superficial to deep the meninges are the:

Dura mater, also known as the pachymeninx

Arachnoid mater

Pia mater

These layers bound three clinically important potential spaces: the epidural, subdural, and subarachnoid spaces. The function of the meninges is to protect the brain and spinal cord from mechanical trauma, to support the blood vessels and to form a continuous cavity through which the cerebrospinal fluid (CSF) passes. Specifically, the CSF passes between the inner two meningeal layers (arachnoid and pia) which are together called the leptomeninges.

This article will discuss the anatomy and function of the cranial and spinal meninges