matching quiz Flashcards
Audiometry
process of checking one’s hearing to determine the lowest tones heard by the ear.
External Auditory Canal
Tube leading from the auricle to the middle ear.
Pinna
The Auricle, which includes cartilage and lobe on the outside of ear.
Tympanic Membrane
Ear Drum
Cerumen
Ear Wax
Ossicles
Three tiny bones in the middle ear.
Malleus
First bone of the ossicles in the middle ear connected to tympanic membrane. Resembles a hammer.
Incus
Second bone of the ossicles, transmits sounds to the inner ear. Resembles a anvil.
Stapes
Thrid bone of the ossicles, transmits sounds to the inner ear. Resembles a stirrup.
Eustachian tube
Tube that connects the middle ear to the pharynx or throat.
Oval window
Oval-shaped opening that separates the middle ear from the inner ear.
Vestibule
Central portion of inner ear, contains the utricle and the saccule. Not involved in hearing.
cochlea
Snail shaped, bony structure that contains endolymph and perilymph fluids.
Organ of Corti
the TRUE organ of hearing, shaped like a spiral, containing tiny hair cells.
Semicircular canals
Three bony, fluid-filled loops located behind the vestibule that help maintain balance. Not involved in hearing.
Aural
Pertaining to the Ear.
abrinthitis
Inflammation of the inner ear.
Otitis media
inflammation of the middle ear.
Purulent
Containing pus.
Tinnitus
Ringing heard in the ears.
Serour
producing serum.
Cholestertoma
A slow-growing cyst mass, made up of skin cells and cholesterol. in the middle ear.
Meniere’s disease
Chronic inner ear disease, characterized by vertigo, hearing loss, pressure, and tinnitus.
Otosclerosis
Condition in which the footplate of the stapes becomes immobile and secured to the oval window, resulting in hearing loss.
Otoplasty
Removal of a portion of the ear cartilage to bring the pinna and auricle closer to the head.
Cones
responsible for visualizing colors, central vision and vision in bright light
Lacrimal Duct
Tear duct
Iris
Colored portion of the eye
Entropion
turning inward of the edge of the eyelid
Cornea
Transparent layer covering the colored part of the eye
Choriod
Layer just beneath the sclera, within the vascular middle layer of the eye.
Lens
Structure that aids in focusing the images clearly
Suspensory ligaments
Numerous straight fibrils attached to the lens to hold it in place
Accommodation
The ability to clearly focus on objects at various distances.
Myopia
Nearsightedness
Rods
Responsible for vision in dim light and peripheral vision, highly specialized nerve cells for stimulation of light rays.
Fovea Centralis
The highest concentration of cones creates this small depression.
Macula Lutea
An oval, yellowish spot near the center of the retina.
Optic nerve
The nerve that receives impulses from the retina, sending them to the brain where they are interpreted as vision.
Aqueour Humor
Clear watery fluid flowing between the anteroior and posterior chambers of the eye.
Viterour Humor
A clear, jelly like substance that gives shape to the eyeball.
Refraction
Bending of light rays as they pass through the structures of the eye.
Ambiopia
Double Vision.
Esotropia
Obvious inward turning of one eye in relation to the other eye.
LASIK
Laser vision correction for myopia
Exotropia
An obvious outward turning of one eye in relation to the other eye.
Iritis
Inflammation of the iris.
Nystagmus
Involuntary “quivering” of the eye
Sclera
The white portion of the eye.
Cataract
A clouding of the lens in the eye.
Glaucoma
Ocular disorder due to increase of pressure in the eye.
Retina
The third innermost layer of the eye
Presbyopia
poor vision due to aging, usually after age 40
Canthus
The eye’s inner edge
Nyctalopia
Poor night vision; “night blindness”
Hyperopia
Farsightedness
conjunctiva
Thin mucous membrane that lines the inner surfaces of the eyelids and outer surfaces of the eye
PERRLA
Pupils equal; Round, React to Light, and Accommodation.
