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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 |