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Chapter 20
Central Nervous System
Term | Definition |
---|---|
Cerebrospinal Fluid (CSF) | A cushion of fluid both around the organs and within them. |
Ventricles | The four large, fluid-filled spaces within the brain. |
Spinal Cord Tracts | Provide conduction paths to and from the brain. |
Medulla Oblongata | An enlarged extension of the spinal cord located just above the foramen magnum. |
Pons | Composed, like the medulla, of white matter and reticular formation. |
Midbrain | Forms the midsection of the brain, because it lies above the pons and below the cerebrum. |
Cerebellum | Little brain; Second largest part of the brain. |
Arbor Vitae | The internal white matter of the cerebellum; "Tree of Life" |
Thalamus | A dumbbell-shaped mass of gray matter made up of many nuclei. |
Hypothalamus | Small but functionally important area of the brain; It performs many functions of the greatest importance both for survival and for the enjoyment of life. |