Chapter 14 Seeing and Hearing Flashcards
combining form for the eye or sight
opt/i, opt/o, optic/o, ocul/o, opthalm/o
outside the eyeball
extraocular
inside the eyeball
intraocular
around the eyeball
periocular
the accessory structures of an organ
adnexa
bony cavity of the skull that contains the eyeball
orbit
combining form eyelids
blephar/o
another term used for eyelid
palpebra
pertaining to the eyelid
palpebral
the angle where the upper and lower lids meet
canthus
mucous membrane that lines the underside of each eyelid
conjunctiva
combining form conjunctiva
conjuctiv/o
medical term for the third eyelid
nictitans
condition of normal tear secretion
lacrimation
combining form tear duct
lacrim/o, dacry/o
passageway that drains tears into the nose
nasolacrimal duct
the white of the eye
sclera
combing form sclera
scler/o
anterior portion of the eye
cornea
combining form cornea
corne/o, kerat/o
middle layer of the eye
choroid
light cannot pass through
opaque
pigmented muscular diaphragm that surrounds the pupil
iris
circular opening in the center of the eye
pupil
pupillary constriction
miosis
pupillary dilation
mydriasis
clear, flexible capsule located behind the iris and pupil
lens
nervous tissue layer of the eye that receives images
retina
anterior and posterior chambers of the eye are filled with a watery fluid called
aqueous humor
soft, clear, jelly-like mass that fills the vitreous chamber
vitreous humor
instrument used for opthalmoscopy
opthalmoscope
pressure within the eye
intraocular pressure
condition of unequal pupil size
anisocoria
inflammation of the eyelid
bepharitis
excessive blinking of the eyelid
blepharospam
inflammation of the conjunctiva
conjunctivitis
cloudiness of the lens
cataract
abnormal enlargement of the eye
bupthalmia
diagnostic test to detect vision in which a movement is made toward the animal to see if the animal blinks
menace response
test that checks the pupil response to light
pupillary light reflex (PLR)
we can measure tear production in an animal’s eye by doing a
Schirmer Tear Test
procedure that measures intraocular pressure
tonometry
double row of eyelashes that cause corneal injury
distichiasis
eversion of the eyelid
ectropion
inversion of the eyelid
entropion
excessive tear production
epiphora
condition of elevated intraocular pressure
glaucoma
inflammation of the cornea
keratitis
involuntary, constant, rhythmic movement of the eye
nystagmus
displacement of the eye from the orbit
proptosis
removal of the eye
enucleation
suturing together the eyelids
tarsorrhaphy
combining form ear
audit/o, aud/i. ot/o
combining form sound
acoust/o, acous/o
external portion of the ear that catches soundwaves
pinna
medical term eardrum
tympanic membrane
combining form eardrum
tympan/o, myring/o
three bones of middle ear
malleus, incus, stapes
spiral passage to inner ear
cochlea
procedure to examine ear
otoscopy
collection of blood on outer ear
aural hematoma
inflammation of eardrum
myringitis
ear pain
otalgia
inflammation of the ear
otitis
state of balance
equilibrium
earwax
cerumen
sense of dizziness
vertigo
incision into cornea
keratotomy
surface depression on cornea
corneal ulceration
diagnostic test of placing dye on cornea to look for a lesion
fluorescein dye stain