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84 Cards in this Set
- Front
- Back
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cephalo
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head
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cerebello
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cerebellum
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cerebro
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cerebrum
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encephalo
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brain
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glio
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glue
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medullo
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medulla
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meningo
meningio |
meninges
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myelo
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spinal cord
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narco
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stupor
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neuro
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nerve
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phaso
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speach
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polio
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gray matter
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ponto
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pons
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radiculo
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nerve root
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thalamo
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thalamus
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-algesia
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pain
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-esthesia
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feeling, sensation
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-kinesia
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movement
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-lepsy
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seizure
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-paresis
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weakness
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-phasia
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speech
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-plegia
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paralysis
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-sthenia
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strength
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-taxia
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muscle coordination
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the nervous sys is responsible for ....
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.. all the activity of the body. everything!
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information is recieved through
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both internal and expternal sensory receptors
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the nervous sys can be divided into two systems...
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the PNS and the CNS
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the CNS is composed of...
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the brain and the spinal cord
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the PNS is comprised of...
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the cranial nerves and the spinal nerves (all nerves except brain itself and spine itself)
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nervous tissue consists of two basic types of cells:
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neurons and neuroglial cells
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neurons are...
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indiv. nerve cells capable of conducting electrical impulses in response to a stimulus
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neurons have three basic parts....
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... the dendrites, the body, and the axon.
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dendrites are...
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highly branched portions of the neuron that rec's signals
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nerve body contains...
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the nucleus and other organelles of the cell
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a neuron has __ axon/s
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only ONE
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the axon (performs what task)?
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it conducts the message to its appropriate location
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the point at which the axon of one neuron and the dendrites of another neuron is called ...
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.. the synapse
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the space between the axon and the dendrite is called
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the synaptic cleft
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neuroglial cells act to...
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support function for the neurons
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gray matter is (myelinated/unmyelinated)?
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unmyelinated
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white matter is (myelinated/unmyelinated)?
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myelinated
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bundles of nerve fibers in CNS are known as....
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tracts
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the CNS is encased and protected by..
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the three layers of meninges
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t/f : the brain is one of the largest organs in the body
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true!
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four sections of the brain?
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cerebrum, cerebellum, diancephalon, and the brain stem
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largest section of the brain?
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cerebrum
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the elevated portions of the cerebrum are called..
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..the gyri
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the fissues or valleys of the cerebrum are called..
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.. the sulci
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the cerebrum is divided into two halves:
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left and right
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each cerebral lobe is divided into four lobes
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frontal, parietal, occipital, and temporal
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the diencephalon contains two important organs
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the thalamus and the hypothalamus
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the thalamus acts as...
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... a relay center for eye/ear/pain sensations
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the hypothalamus controls...
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body temp, appetite, sleep, sexual desire, and emotions
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the cerebellum is responsible for ...
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.. coordinating movement, maintaining balance/equilibrium
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ascending tracts carry information ____ to _____
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up towards the brain to relay information
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descending tracts carry information ___ to ___
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down towards the motor neurons to deliver a response
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the spinal cavity holds the...
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spinal cord
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the sympathetic system
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is fight or flight
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the parasympathetic system
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calms the body down, lowers BP etc
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aura
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sensations auch as seeing colors or smelling an unusual odor just prior to an epileptic seizure
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chorea
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involuntary nervous disorder that results in muscular twitching of the lims or facial muscles
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focal seizure
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localized epileptic seizure affecting one limb
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grand mal seizure
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severe seizure; characterized by loss of consciousness and convulsions; aka tonic-clonic seizure indicating that the seizure alternates between strong continuous contractions (tonic) and relaxation (clonic)
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palsy
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temp or pemanent loss of the ability to control movement
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paresthesia
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abn sense of burning or tingling
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petit mal seizure
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small seizure; short (1-30 sec); char by loss of awareness and an absence of activity
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syncope
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fainting
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astrocytoma
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tumor of the brain or spinal cord that is composed of astrocytes, one of the neuroglial cells
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bell's palsy
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one sided facial paralysis with unknown cause; person cannot control salivation, tearing of eyes, or expression
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encephalocele
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congential defect in which brain matter protrudes through a gap in the skull
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cordectomy
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removal of part of the spinal cord
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trephination
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process of cutting out a piece of beon in the skull to gain entry into the brain
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hypnotic
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drugs that promote sleep
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ANS
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autonomic nervous sys
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CP
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cerebral palsy
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CSF
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cerebrospinal fluid
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CVA
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cerebrovascular accident
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CVD
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cerebrovascular disease
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EEG
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electroencephalogram
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HA
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headache
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LP
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lumbar puncture
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SCI
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spinal cord injury
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TIA
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transient ichemic attack
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barbituate
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drug that depresses CNS activity
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