Chapter 8 Nervous System
Terms
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- aneathesia
- without feeling or sensation
- aneurysm
- localized dilation of the wall of an artery that expands with each pulsation of the artery, usually caused by hypertension or artherosclerosis
- astrocyte
- star shaped cell found in the central nervous system
- aura
- sensation an individual experiences prior to the onset of a migrain headache or epileptic seisure: may be a sensation of light or warmth and may procede the attack by hours or seconds
- dementia
- progressive, irreversible mental disorder. Deteriorating memory, judgement, and ability to think
- diplopia
- double vision, also called ambliopia
- dyslexia
- mpairment of the ability to read, letters and words often reverse when reading
- hyperkenesis
- excessive muscular movement and physical activity hypermovement
- narcolepsy
- uncontrolled, sudden attacks of sleep
- occlusion
- blockage
- palliative
- soothing
- sciatica
- inflamation of the sciatic nerve. Characterized by pain alnog the course of the nerve, radiating through the thigh and down the back of the leg
- syncope
- fainting
- thalamus
- part of the brain, receives al sensory stimuli, except smell
- thrombosis
- blood clot in the blood vessel
- a
- without, not
- alges/o
- sensitivity to pain
- craini/o
- skull, cranium
- encephal/o
- brain
- kinesi/o
- movement
- -lepsy
- seisure, attack
- -lexia
- reading
- mening/o
- meniges
- narc/o
- sleep
- neuro/o
- nerve
- -plegia
- paralysis
- CNS
- central nervous system
- CSF
- cerebrospinal fluid
- CT
- computerized tomography
- ICP
- intracranial pressure
- LOC
- Level of consciousness
- MRI
- magnetic resonance imaging
- MS
- multiple sclerosis
- PET
- positron emission tomography
- REM
- rapid eye movement
- TENS
- transcutaneous electrical nerve stimulation
- TIA
- transient ischemic attack- stroke
- Afferent
- a sensory nerve
- astrocytes form what kind of barrier
- blood brain barrier
- what part of the brain regulates body temperature
- hypothalamus
- after fight or fright what nerves return us to normal state
- parasympathetic
- slender projection that extends from the cell body
- axon
- ventricle
- small hollow withi in the brain that is filled with spinal fluid
- hypothalamus
- controlls body temperature, sleep, and appetite
- brain stem
- stem like portion of the brain that connects the cerebral hemiphere with the spinal cord
- medulla oblongata
- contains the cardiac, vascomotor, and respiratory centers of the brain
- arachnoid membrane
- web like middle later of the meninges
- dura mater
- outermost layer of the meninges
- diencephalon
- located between the cerebrum and the mdbrain.(consists of the thalamus, hypothalamus and the pineal gland
- cerebellum
- responsible for co-ordinating voluntary muscula movement
- cerebrum
- controls consciousness memory and sensations
- pons
- acts as a bridge to connect the medulla oblongata and the cerebellum to the upper portions of the brain