The CNS consists of the
brain and spinal cord, which are located in the dorsal
body cavity. The brain is surrounded by the cranium, and the
spinal cord is protected by the vertebrae. The brain is continuous
with the spinal cord at the foramen magnum. In addition to
bone, the CNS is surrounded by connective tissue membranes,
called meninges, and by cerebrospinal fluid. The following
are the major components of the brain and CNS. Please click
a subject for more information.
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