Chapter 10 Part 1 Flashcards
electroencephalogram
record of the electrical activity of the brain
electroneurodiagnostic
pertaining to the use of electricity in the diagnosis of a neurological disorder
epilepsy
chronic brain disorder due to paroxysmal excessive neuronal charges. Greek: seizure
epileptic
pertaining to or suffering from epilepsy
motor
structures of the nervous system that send impulses out. Latin: to move
nerve
a cord of fibers bound together by connective tissue
nervous system
the whole. Integrated nerve apparatus
neurology
medical speciality of disorders of the nervous system
neurosurgeon
one who operates on the nervous system
sensory
pertaining to sensation; structures of the nervous system that carry impulses to the brain
afferent
moving toward a center (toward the spinal cord and brain). Latin: to bring to
autonomic
self-governing visceral motor division of the peripheral nervous system
axon
single process of a nerve cell body that receives nervous stimuli. Greek: axis
dendrite
branched extension of the nerve cell body that receives nervous stimuli. Greek: tree-like
dopamine
neurotransmitter in some specific areas of the brain
efferent
moving away from a center (away from the brain and spinal cord). Latin: to bring away from
glia
connective tissue that holds a structure together. Greek: glue
glial
pertaining to glia or neuroglia
neuroglia
connective tissue holding nervous tissue together
myelin
material of the sheath around the axon of a nerve
neuron
technical term for a nerve cell, consists of a cell body with its dendrites and axons
neurotransmitter
chemical agent that relays messages from one nerve cell to the next
parasympathetic (two prefixes)
division of the autonomic nervous system; calms the body
somatic
a division of the peripheral nervous system serving the skeletal muscles
sympathetic
division of the autonomic nervous system; excites the body
synapse
junction between two nerve cells where electrical impulses are transmitted
visceral, viscus, viscera
pertaining to the internal organs
cerebellum
posterior area of the brain between the midbrain and the cerebral hemispheres
cerebrospinal
pertaining to the brain and spinal cord
cerebrospinal fluid
fluid formed in the ventricles of the brain, surrounds brain and spinal cord
cerebrum, cerebral
pertaining to the cerebral hemispheres of the brain
corpus callosum
bridge of nerve fibers connecting the two cerebral hemispheres
frontal lobe
front area of the cerebral hemispheres
gyrus, gyri
rounded elevation on the surface of the cerebral hemispheres
hypothalamus
an endocrine gland in the floor and wall of the third ventricle of the brain
occipital lobe
posterior area of the cerebral hemisphere
parieatl lobe
area of the brain under the parietal lobe
sulcus, sulci
groove on the surface of the cerebral hemisphere that separate gyri
temporal lobe
posterior 2/3 of the cerebral hemisphere
thalamus
mass of gray matter under the ventricle in each cerebral hemisphere
arachnoid mater
weblike middle layer of the three meninges
dura mater
hard, fibrous outer layer of the meninges
epidural
above the dura
epidural space
space between the dura mater and the wall of the vertebral canal
meninges
three-layeres covering of the brain and spinal cord
meningitis
inflammation of the meninges
pia mater
delicate inner layer of the meninges
subarachnoid space
space between pia mater and the arachnoid membrane
Alzheimer disease
common form of dementia
cognition
process of acquiring memory through thinking, learning, and memory. Latin: knowledge
confusion
mental state in which environmental stimuli are not processed appropriately
delirium
acute altered state of consciousness with agitation and disorientation
dementia
chronic, progessive, irreversible loss of cognitive/intellectual functions
empathy
ability to place yourself into the feelings and emotions of another person
sympathy
appreciation and concern for another person’s mental state
sedative
agent that calms nervous excitement
sedation
state of being calmed
senile
characteristic of old age
stroke
acute clinical event caused by impaired cerebral circulation
grand mal
old name for generalized tonic-clonic seizure
narcolepsy
involuntary falling asleep
petit mal
old name for absence seizures
postictal
transient neurologic decifit after seizure
ictal
pertaining to/caused by a seizure
tic
sudden, involuntary, repeated contraction of muscles. French
tonic
state of muscular contraction
tonic-clonic seizure
the body alternates between muscular rigidity and jerking muscular contractions
Tourette syndrome
disorder of multiple motor and vocal tics. Named after Gilles de la Tourette, French neurologist