Sensory system Flashcards
ocot/o
ear
ophthalm/o
eye
-ia
condition, state of
ocul/o
eye
Presby
old age
Otalgia
Earache, pain in the ear
Otorrhea
Discharge from the auditory canal
otitis media (OM)
Inflammation of the middle ear.
otitis externa
Inflammation of the outer ear and ear canal
- also called swimmer’s ear
Meniere disease
a disorder of the inner ear.
- It is characterized by vertigo, tinnitus
- sometimes a feeling of pressure or fullness in the ear.
Labyrinthitis
Inflammation of the inner ear that may be due to infection or trauma
Audiometric test
may be done in an otology or family practice and measures the lowest intensity of sound an individual can hear
ruptured tympanic membrane (TM)
Tear of the eardrum due to trauma or disease process
Ectropion
Turning outward (eversion) of the eyelid, exposing the conjunctiva
Amblyopia
Dull or dim vision due to disuse.
Diplopia
Double vision.
Myopia
(nearsightedness)
- causes objects at a distance to appear blurry and dull.
Hyperopia
(farsightedness) difficulty seeing objects that are close.
Blepharoptosis
Drooping of the upper eyelid
Hordeolum
Stye; infection of one of the sebaceous glands of an eyelash
Conjunctivitis
Inflammation of the conjunctiva
(pinkeye)
Presbyopia
visual disorder resulting in farsightedness, typically accompanies aging.
diabetic retinopathy
Damage of the retina due to diabetes
- leading cause of blindness.
Achromatopsia
Impairment of color vision.
- Inability to distinguish between certain colors.
Tonometry
Measurement of Intraocular Pressure.
- Used in the diagnosis of glaucoma.
Sit lamp examination
Part of a routine eye examination.
- Used to examine the layers of the eye.
lacrimation
The secretion or discharge of tears.
Lacrimal glands
Produce tears
our paired eyes is encased in a protective, bony socket called ..
Orbit
thin mucous membrane that lines the eyelid.
Conjunctiva
the dark area in the center of the iris where the light continues its progress through to the lens.
Pupil
Cornea
Light refraction
Sclera
a tough, fibrous lining that protects the entire eyeball lying within the orbit. ( white part )
an area within the back of the eyes that gives the sharpest image.
Fovea centralis
Tympanic membrane
a thin, disk-shaped tissue, seals off the outer ear from the middle ear.
- pearly grey color
Auricle
The fleshy part of the ear that can be seen on the side of the head.
cochlea
responsible for the sense of hearing.
Stapes
Tiny bone of the middle ear cavity of the temporal bone
- also known as the stirrup
– Touch
– Pressure
– Temperature
– Pain
General senses
– Vision
– Hearing
– Equilibrium (balance)
– Taste
– Smell
Special senses
eyes are kept where
in orbit
what are senses ?
picks up signals and takes them to the brain
ossicles
bones in ear (3)
wax
cerumen
Tinnitus
a ringing, buzzing, or jingling sound in the ear
Vertigo
Dizziness or spinning feeling
How many skeletal muscles move the eyeball?
6
Which layer of the eyeball consists of the choroid, iris, and the ciliary body?
Middle layer
The center of the retina which contains the fovea centralis, the area of most highly acute vision is called the:
macula lutea
The ____________ membrane is a thin, disk-shaped tissue that seals off the outer ear from the middle ear.
tympanic
Which part of the inner ear is responsible for the sense of hearing?
Cochlea
____________ is a disorder that occurs when the eyeball is too short from the anterior to the posterior wall, and is also referred to as farsightedness.
Hyperopia
Which type of refractive error occurs when light rays entering the eye are focused irregularly ?
Astigmatism
_____________ is characterized by increased intraocular pressure, which damages the optic nerve.
Glaucoma
The colored part of the eye is called the:
iris
largest sensory organ
skin
ophthalmic drops
eye drops
otic drops
ear drops
