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Liles MSI Nervous

Liles Nervous System

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