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HCT Chapter 19
| Term | Definition |
|---|---|
| Cerebrospinal fluid | Fluid contained in the brain's ventricles, intracranial spaces, and central canal of the spinal cord |
| Dementia | Organic loss of intellectual function |
| Epilepsy | Transient disturbances of brain function |
| Impulse | Sudden pushing force; activity along nerve fibers |
| Intracranial | Situated within the cranium |
| Ischemia | Insufficient blood to a body part caused by a functional constriction or actual obstruction of a blood vessel |
| Meninges | Three membranes that surround and protect the brain and spinal cord |
| Myelography | X-rays of the spinal cord after injection of a contrast medium |
| Neurotransmitter | Chemical messenger, released from the axon of one neuron, that travels to another nearby neuron |
| Polyneuritis | Inflammation of many nerves at once |
| Reflex | An involuntary action in response to a stimulus |
| Regenerate | Natural renewal of a structure, as of lost tissue or part |
| Senile | Pertaining to or characteristic of old age, especially physical or mental deterioration accompanying aging |