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39 Cards in this Set

  • Front
  • Back
lacrimal glands
in the eye produce tears
conjunctiva
lines the eyelids and covers the front of the eye to provide additional protection
sclera
outermost layer is the tough connective tissue
cornea
is a circular, transparent part of the front of the sclera
choroid coat
interlaced with many blood vessels, which nourish the eyes
retina
innermost layer of the eye
iris
is the colored portion of the eye
pupil
the opening in the center of the iris
lens
is a circular structure located behind the pupil and suspended in the position by ligaments
lens
is a circular structure located behind the pupil and suspended in the position by ligaments
lens
is a circular structure located behind the pupil and suspended in the position by ligaments
refracts
bends light rays so the rays focus on the retina
aqueous humor
is clear water fluid that fills the space between the cornea and iris
vitreous humor
is the jellylike substance that fills the area behind the lens
amblyopia
lazy eye, commonly occurs in early childhood
astigmatism
blurred vision caused by abnormal shape or curvature of the cornea
cataract
occurs when the normally clear lens becomes cloudy or opaque
conjunctivitis
pink eye, is a contagious inflammation of the conjuctiva and is usually cause by a virus
glaucoma
is a condition of increased intracular within the eye pressure caused by an excess amount of aqueous humor
glaucoma
is a condition of increased intracular within the eye pressure caused by an excess amount of aqueous humor
hyperopia
farsightedness
myopia
is nearsightedness
presbyopia
farsightedness caused by a loss of lens elasticity
strabismus
is when the eyes do not move or focus together
pinna or auricle
outer ear contains visible part of the ear
auditory canal
tube called the external auditory meatus
tympanic membrane
eardrum
ossicles
middle ear is a small space or cavity in the temporal bone and contains three small bones
eustachian tube
the middle of the ear is connected to the pharynx or throat by the tube called this
vestibule
acts as the entrance to the two pther parts of the inner ear
cochlea
shaped like a snail's shell, contains delicate hairlike cells which compose the organ of corti
organ of corti
a receptor of sound waves
organ of corti
a receptor of soun waves
semicircular canals
are also located in the inner ear. these canals contain a liquid and delicate hair-like cell that bend when the liquid moves with head and body movements
hearing loss
is calssified as either conductive or sensory
meniere's disease
results from a collection of fluid in the labyrinth of the inner ear and degeneration of the hair cell is the cochelea
otitis externa
is an inflammation of the external auditory canal
otitis media
is an inflammation or infection of the middle ear and is cause by a bacterium or virus
otosclerosis
is when the stapes becones immobile causing coductive hearing loss