CNS Flashcards 9.12-9.16

The three membranes (the dura mater, arachnoid, and pia mater) that line the skull and vertebral canal and enclose the brain and spinal cord.

Internal layer, directly covering the brain and spinal cord.

The outermost layer of the meninges which envelops the arachnoid mater and supports the dural sinuses.

<p>The middle layer of the three membranes that surround the brain and spinal cord.</p> Signup and view all the answers

<p>Clear, colorless, and watery fluid that fills the space between the arachnoid membrane and the pia mater.</p> Signup and view all the answers

<p>A cylindrical bundle of nerve fibers and associated tissue that connects nearly all parts of the body to the brain.</p> Signup and view all the answers

<p>31 pairs of nerves arising from the spinal cord that carry motor, sensory, and autonomic signals.</p> Signup and view all the answers

<p>Axons bundled together in the CNS that carry one type of information.</p> Signup and view all the answers

<p>The cerebrospinal fluid-filled space running through the length of the spinal cord.</p> Signup and view all the answers

<p>A nerve pathway that goes upward from the spinal cord toward the brain carrying sensory information.</p> Signup and view all the answers

<p>A nerve pathway that goes down the spinal cord allowing the brain to control movement of the body.</p> Signup and view all the answers

<p>Somatic reflexes involving an integration center in the spinal cord and effectors that are skeletal muscle.</p> Signup and view all the answers

<p>The mass of nerve tissue that is the main control center of the nervous system.</p> Signup and view all the answers

<p>The area of the brain responsible for all voluntary activities of the body.</p> Signup and view all the answers

<p>The right and left halves of the cerebrum.</p> Signup and view all the answers

<p>The large axon band of neural fibers connecting the two brain hemispheres.</p> Signup and view all the answers

<p>Elevated ridges of tissue in the cerebral hemispheres.</p> Signup and view all the answers

<p>Shallow grooves that separate gyri in the cerebral hemispheres.</p> Signup and view all the answers

<p>A long narrow slit or groove that divides an organ into lobes.</p> Signup and view all the answers

<p>A region of the cerebral cortex specialized for movement, abstract thinking, planning, memory, and judgment.</p> Signup and view all the answers

<p>A portion of the brain involved in processing sensory information.</p> Signup and view all the answers