Chapter 18 Flashcards
Suffix: esthesia
sensation
ex. ‘cryesthesia’ - sensitivity to cold
Suffix: algesia
pain
ex. ‘hypalgesia’ - decreased sensitivity to pain
Suffix: osmia
sense of smell
ex. ‘pseudosmia’ - false sense of smell
Suffix: geusia
sense of taste
ex. ‘parageusia’ - abnormal (para) sense of taste
audi/o
hearing
ex. ‘audiology’ - the study of hearing
acous
sound, hearing
ex. ‘acoustic’ - pertaining to sound or hearing
acus
sound, hearing
cus
sound, hearing
ot/o
ear
ex. ‘ototoxic’ - poisonous or harmful to the ear
myring/o
tympanic membrane
ex. ‘myringotome’ - knife used for surgery on the eardrum
tympan/o
tympanic cavity (middle ear), tympanic membrane
ex. ‘tympanometry’ - measurement of transmission through the tympanic membrane and middle ear
salping/o
tube, auditory tube
ex. ‘salpingoscopy’ - endoscopic examination of the auditory tube
staped/o
stapes
ex. ‘stapedoplasty’ - plastic repair of the staples
stapedi/o
stapes
labyrinth/o
labyrinth (inner ear)
ex. ‘labyrinthitis’ - inflammation of the inner ear
vestibul/o
vestibule, vestibular apparatus
ex. ‘vestibulotomy’ - incision on the vestibule of the inner ear
cochle/o
cochlea (of inner ear)
ex. ‘retrocochlear’ - behind the cochlea
Tympanic membrane
The ear drum; membrane between the external auditory canal and the middle ear.
Tympanic cavity
The middle ear
Stapes
The ossicle that is in contact with the inner ear
Labyrinth
The inner ear (resembles a maze)
Vestibule
Chamber in the inner ear that holds some of the receptors for equilibrium
Cochlea
The coiled portion of the inner ear that contains the receptors for hearing
blephar/o
eyelid
ex. ‘symblepharon’ - adhesion of the eyelid to the eyeball
palpebr/o
eyelid
ex. ‘palpebral’ - pertaining to an eyelid
dacry/o
tear, lacrimal apparatus
ex. ‘dacryorrhea’ - discharge from the lacrimal apparatus
dacryocyst/o
lacrimal sac
ex. ‘dacryocystocele’ - hernia of the lacrimal sac
lacrim/o
tear, lacrimal apparatus
ex. ‘lacrimation’ - secretion of tears
opt/o
eye, vision
ex. ‘optometer’ - instrument for measuring the refractive power of the eye
ocul/o
eye
ex. ‘sinistrocular’ - pertaining to the left eye
ophthalm/o
eye
ex. ‘exophthalmos’ - protrusion of the eyeball
scler/o
sclera
ex. ‘episcleritis’ - inflammation of the tissue on the surface of the sclera
corne/o
cornea
ex. ‘circumcorneal’ - around the cornea
kerat/o
cornea
ex. ‘keratoplasty’ - plastic repair of the cornea, corneal transplant
lent/i
lens
ex. ‘lentiform’ - resembling a lens
phak/o
lens
ex. ‘aphakia’ - absence of a lens
phac/o
lens
uve/o
uvea
ex. ‘uveal’ - pertaining to the uvea
chori/o
choroid
ex. ‘subchoroidal’ - below the choroid
choroid/o
choroid
cycl/o
ciliary body, ciliary muscle
ex. ‘cycloplegic’ - pertaining to or causing paralysis of the ciliary muscle
ir, irit/o, irid/o
iris
ex. ‘iridoschisis’ - splitting of the iris
pupill/o
pupil
ex. ‘iridopupillary’ - pertaining to the iris and the pupil
retin/o
retina
ex. ‘retinoscopy’ - examination of the retina
Suffix: opsia
Vision
ex. ‘heteropsia’ - unequal vision in the two eyes
Suffix: opia
eye, vision
ex. ‘hemianopia’ - blindness in half the visual field
Cornea
The clear, anterior portion of the sclera
Choroid
The dark, vascular middle layer of the eye
Lacrimal apparatus
Structures involved in tear production and drainage
Lacrimal sac
tear duct
Sclera
White of the eye (tough, fibrous, outermost layer of eye)
Lens
Transparent biconvex structure that refracts light
Uvea
Middle, vascular layer of eye (consists of choroid, ciliary body and iris)
Retina
The innermost light-sensitive layer of the eye, contains the rods and cones (receptors for vision).
Ciliary body
The muscular portion of the uvea that surrounds the lens and adjusts its shape for near and far vision.
