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psycho logy
- psych/o = mind
- -logy = study of
the study of behavior and the fct and the processes of the mind
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psychologic
pertaining to the mind
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sensory receptor
= afferent receptor
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motor signals
efferent signals
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somatic nervous system
part of the nervous system under couscious or voluntary control
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autonomic nervous system
part of the nervous system that relates to unvoluntary or autonomic body fct
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the two type of nervous system cells
neurons and glia cells
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neurilemma
outermost layer of the axon
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neuroglia
supporting structure of nervous tissue/ composed of glia cells
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cerebr/o*, encephal/o
- brain
- * sometimes means cerebrum
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coccyg/o
coccyx (tailbone)
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gli/o
neuroglia or sticky substance
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kerat/o
cornea, hard or horny
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myel/o
bone marrow or spinal cord
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phren/o
mind or diaphragm
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-esthesia
sensation, perception
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sclera
tough white membrane covering much of the eyeball
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lacrim al
- lacrim/o = tear
- -al = pertaining to
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crying or tearing
when more lacrimal fluid is produced than can be removed
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lacrimation
production and discharge of tears
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cornea
the convex, transparent structure at the front of the eyeball
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retina
located at the posterior part of the eye, contains photoreceptors (rods and cones)
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the cochea in the inner ear
contains receptors that enable us to hear
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semicircular canals
enable us to maintain a sense of balance
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electroencephalography
is the recording and analysis of th electrical activity of the brain
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type of hematoma associated with head injuries
- subdural
- epidural
- intracerebral
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epidural hematoma
blood accumulate in the epidural space, the space outside the dura mater
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subdural hematoma
accumulation of blood beneath the dura mater
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intracerebral hematoma
bleeding occurs within the brain
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cerebro vascular accident CVA
normal blood supply to the brain has been disrupted
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ischemic
refers to deficient blood circulation
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transcient ischemic attack TIA
caused by a brief interruption in cerebral blood flow
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hydrocephallus
fluid accumulation in the skull
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akinesia
- a- no
- kinesi/o -mvt
- -ia - condition
- complete or partial loss of muscle sensation
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anesthesia
partial or complete loss of sensation with or without loss of consciousness
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aphagia
inability or refusal to swallow
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aphasia
- absence or impairement of the ability to communicate through speech, writing, or signs.
- result from a brain dysfunction
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astigmastism
uneven curvature of the cornea or the lens of the eye that prevent the sharp focus of an image on the retina
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bradykinesia
abnormal slowness of mvt or sluggishness of mental and physical process
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cerebral concussion
loss of consciousness, either temporary or prolonged, as a result of head injury
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cerebral hemorrhage
the result of the rupture of a sclerosed or diseased blood vessel in the brain
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cerebral plalsy
a brain disorder characterized by paralysis and a lack of muscle coordination
it results from dvptal defects in the brain or trauma at birth
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coma
a state from unconsciousness from which the patient cannot be aroused, even by power stimulation
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craniocele
- (-cele = hernia)
- proturusion of the brain through a defect in the skull
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diplegia
- (-plegia = paralysis)
- paralysis affecting like parts on both sides of the body
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