Menu Close

What membrane surrounds the CNS?

What membrane surrounds the CNS?

Meninges, singular meninx, three membranous envelopes—pia mater, arachnoid, and dura mater—that surround the brain and spinal cord. Cerebrospinal fluid fills the ventricles of the brain and the space between the pia mater and the arachnoid.

What are the protective membranes that surround support and protect the CNS?

What are the protective membranes that surround, support, and protect the CNS? The meninges. These are a set of connective tissue layers that surround the brain and spinal cord.

Which term describes the connective tissues that surround the CNS?

Which term describes the connective tissues that surround CNS? Meninges. The largest region of the brain. Cerebrum. Convolution on the surface of the brain.

What are the membranes that surround the brain and produce cerebrospinal fluid?

The meninges are three protective membrane layers surrounding the brain and spinal cord. They are composed of the pia (closest to the CNS), arachnoid, and dura (outermost layer), and contain blood vessels and enclose the cerebrospinal fluid.

What are the four systems in place to protect the brain?

The brain is protected by the skull (cranium), cerebrospinal fluid and 3 protective membranes (Meninges). The spinal cord is protected similarly but with vertebrae instead of the cranium.

What are the three membranes of the spinal cord?

Meninges (singular is meninx) is the collective term for the three membranes covering the brain and spinal cord. The meninges are composed of the dura mater (outer), the arachnoid (middle), and the pia mater (inner).

What makes up the central nervous system ( CNS )?

Key Terms. The central nervous system (CNS) is comprised of white and gray matter. In the spinal cord and cerebrum gray matter is surrounded by white matter. However, in the cerebellum and cerebral hemispheres this is reversed with the grey matter surrounding underlying white matter.

What are three membranous envelopes that surround the brain?

See Article History. Alternative Title: meninx. Meninges, singular meninx, three membranous envelopes—pia mater, arachnoid, and dura mater—that surround the brain and spinal cord. Cerebrospinal fluid fills the ventricles of the brain and the space between the pia mater and the arachnoid.

What are the clusters of cells called in the nervous system?

Clusters of cell bodies in the central nervous system are called nuclei, while the cell bodies lining the nerves in the peripheral nervous system are called ganglia.