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Liles MSI Nervous
Liles Nervous System
| Question | Answer |
|---|---|
| autonomic nervous system | collection of nerves, ganglia, and plexuses through which visceral organs,heart, blood vessels, glands, and smooth muscles receive their innervation |
| arachnoid | weblike middle membrane of meninges |
| associative neuron (interneuron) | carries messages from sensory neuron to motor neuron |
| axon | nerve cell structure which carries impulses away form cell body to dendrites |
| blood-brain barrier | substance cannot penetrate the brain tissue |
| brain stem | portion of brainother than cerebral hemispheres and cerebellum |
| central nervous system | consists of the structures of the brain and spinal cord |
| cerebrospinal fluid | a substance that forms within the four brain ventricles from the blood vessels of the choroid plexus; this serves as a shock absorber protecting the brain and spinal cord |
| cerebrum | the largest part of the brain |
| cerebellum | structure of the brain behind the pons and below the the cerebrum |
| choroid plexus | the network of blood vessels of the pia mater |
| cranial nerves, | twelve pairs of nerves that begin in the brain and transmit messages to various parts of the face and head to stimulate various functions |
| dendrite, | nerve cekk process that carries nervous impulses toward the cell body |
| diencephalon, | posterior part of the brain; contains the thalamus, hypothalamus, and pituitary gland |
| dura mater, | fibrous membrane forming outermost covering of brain and spinal cord |
| frontal lobe, | in cerebral cortex, controls the motor function |
| hypothalamus, | part of the diencephalon, lies below the thalamus |
| medulla oblongata, | part of the brainstem, contains the nuclei for vital functions |
| meninges, | any of three linings enclosing the brain and spinal cord |
| motor neuron (efferent), | carries messages from brain and spinal cord to muscls and glands |
| myelin sheath (neurilemma), | layers of cell membrane that wrap nerve fibers, providing electrical insulation and increasing the velocity of impulse transmission |
| neuron, | nerve cell; including its processes |
| occipital lobe, | part of the cerebrum that houses the foramen magnum |
| parasympathetic nervous system, | divison of the autonomic nervous system inhibits or opposes the effects of the sympathetic nervous system |
| parietal lobe, | division of the cerebrum that lies beneath the parietal bone |
| peripheral nervous system, | made up of 12 pairs of cranial nerves and 31 pairs fo spinal nerves |
| pia mater, | innermost vascular covering of brain; and spinal cord |
| pons, | part of the brainstem |
| receptors, | sensory nerves that receives a stimulus and transmits it to the CNS |
| reflex, | involuntary action; automatic response |
| spinal nerves, | thiry one pairs, originate in the spinal cord |
| stimulus, | any change in environment |
| sensory neuron (afferent), | a nerve that carries nerve implses from the periphery to the central nervous system |
| spinal cord, | part of the central nervous system within the spinal column; begins at foramen magnum of occipital bone and continues to the second lumbar vertebra |
| sulci, | fissure of grooves separtaing cerebral convolutions |
| sympathetic nervous system, | division of autonomic nervous system |
| synapse, | space between adjacent neurons through which an impulse is transmitted |
| temporal lobe, | part of the cerebral hemisphere associated with the perception and interpretation of sound |
| thalamus, | part of the diencephalon, relayys sensory stimuli to the cerebral cortex |
| Alzheimer's Disease, | progressive disease with degeneration of the nerve endings in the cortex of the brain |
| Bell’s Palsy, | disorder that affects the facial nerve |
| cerebral palsy, | a disturbance in voluntary muscke action due to brain damage |
| dementia, | loss in at least two areas of complex behavior |
| Encephalitis, | inflammation of the brain |
| Epilepsy, | seizure disorder |
| Meningitis, | inflammation of the lining of the brain and spinal cord |
| Hemiplegia, | (blankparlaysis of one side of the body |
| Hydrocephalus, | increase in the volume of cerebral spinal fluid within the cerebral ventricles, may occur in fetal development |
| lumbar puncture, | removal of cerebrospinal fluid for diagnostic purposes by insertion of a needle between the third and fourth lumbar vertebrae |
| multiple sclerosis, | chronic inflammatory disease in which the immune cells attack the myelin sheath of a nerve |
| neuritis, | inflammation of a nerve |
| Parkinson’s disease, | (blank) |
| Paraplegia, | (blank) |
| Poliomyelitis, | (blank) |
| Quadriplegia, | (blank) |
Created by:
Connie Liles
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