A&P 241 CNS Word Scramble
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Question | Answer |
Grey Matter | used for memory, perception, and integration. forms the brain's cortex, basil nuclei, horns, and ganglia of the spinal cord. |
Cortex | the brain's outer surface. contains areas of thought and memory |
Basal nucleus | isolate area of grey matter embedded in white matter. Integrate and coordinate information. |
Horns | deep within the white matter. send and receive information directly to and from the PNS and responsible for controlling most of the body's reflexes. |
Ganglion | collection of nerve cell bodies. receiving sensory information |
White matter | used for relaying information from one are to another. |
Nerve Tracts | bundles of myelinated nerves. relaying information between its cortex and basal nuclei. |
White Columns (Fasciculi) | myelinated nerves relay infromation to and from the brain. |
Meninges | three layers of dense connective tissue that surround and protect the brain. |
dura mater | closest to the bone, outermost meningeal layer. |
Arachnoid | middle meningeal layer; possesses profections called arachnoid villi |
Pia Mater | innermost meningeal layer |
Choroid Plexus | where cerebrospinal fluid originates; has 4 called ventricles |
Lateral Ventricles | first and second ventricles; convey their fluid to the interventricular foamen which connects to the thrid ventricle |
Third Ventricle | located in brain stem; conveys fluid to the cerebral aqueduct and connect to the fourth |
Fourth Ventricle | at the base of the cerebellum. conveys is fluid to the median and lateral apertures. |
Olfactory Nerve | Special somatic sensory cerve; conducts the sense of smell |
Optic Nerve | Special Somatic Sensory Nerve; conducts visual information to the brain |
Oculomotor nerve | motor nerve; controls some of the eyes' extrinsic eye muscles (eye movements) and intrinsic eye muscles (pupil size and focusing) |
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briannamurr
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