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Medical Terminology

Orange Module- Nervous System

TermDefinition
accommodation adjustment of the eye from near to far vision, or vice versa
achromatopsia color blindness
afferent nerves sensory nerves
anacusis without hearing
anesthesia medication that causes a loss of feeling
axon part of the neuron that relays impulses AWAY from the cell body
blepharectomy surgical removal of the eyelids
canthi inner & outer corners of the eye
cataracts opacities that form on the lens of the eye
cerebellum part of the brain which controls movement, posture, & muscle tone
cerebrum largest part of the brain; governs all higher mental processes
cerumen waxy secretion found in the external ear canal
cochlea organ of hearing found in the inner ear
concussion injury to the brain resulting from impact of the brain against the skull
conjunctivitis inflammation of the conjunctiva
corectasis dilation of the pupil
cornea clear, transparent portion of the eye, found over the iris
dacryorrhea discharge of tears
dendrite part of the neuron that relays impulses TOWARD from the cell body
efferent nerves motor nerves
emmetropia correct vision
encephalopuncture surgical puncture into the brain
Eustachian tube tube which equalizes pressure
glaucoma increased intraocular pressure which will eventually cause blindness
hemiparesis partial or incomplete paralysis in one half of the body
idiopathic unknown cause; having no cause
iritis inflammation of the iris
lethargy sluggishness, tiredness, weakness
mastoiditis inflammation of the mastoid process
medulla oblongata portion of the brain which controls respiration, heart rate, & blood pressure
meninges protective covering of the brain & spinal cord
meningocele herniation of the meninges
motor nerve nerve that conducts impulses AWAY from the CNS
myelopathy disease of the spinal cord
myringoplasty surgical repair of the tympanic membrane
nerve block loss of sensation in a localized region
neurolysis destruction of a nerve
neuron functional & structural cell of the nervous system
nyctalopia night blindness
olfactory pertaining to smell
ophthalmoplegia paralysis of the eye
ossicles three tiny bones in the middle ear
otalgia pain in the ear
otomycosis fungal infection of the ear
otoplasty surgical repair of the ear
otoscopy visual examination of the ear
paraplegia paralysis of the lower half of the body
pinna (auricle) external ear structure
presbycusis impairment of hearing in old age
presbyopia loss of elasticity of the lens
quadriplegia paralysis of the trunk & all 4 limbs
retinoscopy visual examination of the retina
sclera outermost layer of the eye; white of the eye
sclerectomy surgical removal of the sclera
sclerocorneal pertaining to the sclera & cornea
sensory nerve nerve that RECEIVES impulses from sense organs
strabismus crossed eyes
synapse space between two neurons
tonometry process of measuring the intraocular pressure to diagnose glaucoma
tremor involuntary tremble or shake
Created by: ginaliane
 

 



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