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Ch17-Sense Organs

The Language of Medicine 11th Edition

QuestionAnswer
Region at the back of the eye where the optic nerve meets the retina: optic disc
Yellowish region in the retina; contains the fovea centralis: macula
Light-sensitive nerve cell layer of the eye containing photoreceptor cells: retina
Central opening of the eye, surrounded by the iris, through which light rays pass: pupil
Tough, white outer coat of the eyeball: sclera
Photoreceptor cell responsible for color and central vision located in the retina that transforms light energy into nerve impulses: cone
Delicate membrane lining the undersurface of the eyelids and covering the anterior eyeball: conjunctiva
Pigmented layer that opens and closes to allow more or less light into the eye: iris
Fibrous transparent layer of clear tissue that extends over the anterior portion of the eyeball: cornea
Sensitive receptor cells of the retina that function at reduced levels of light and are responsible for peripheral vision: rods
The meaning of the suffix -opia: vision
The combining form that means eyelid: palpebr/o
What is the meaning of the combining form phak/o? lens of the eye
The combining form that means tears: lacrim/o
The combining form that means tears or tear duct: dacry/o
Another combining form besides pupill/o that can be used for pupil: cor/o
What is the combining form for eyelid? blephar/o
What is the meaning of the combining form phot/o? ight
What is the meaning of the combining form kerat/o? cornea
The meaning of the combining form opt/o: eye, vision
What is the name given to the maze-like series of canals of the inner ear? labyrinth
Membrane between the middle ear and the inner ear: oval window
The projecting part, or flap, of the ear: auricle
Waxy substance secreted by the external ear: cerumen
Snail shell-shaped, spirally wound tube in the inner ear that contains hearing-sensitive receptor cells: cochlea
Another name for the tympanic membrane: eardrum
The three small bones that are the ossicles: incus, malleus, stapes
Passages in the inner ear associated with maintaining equilibrium: semicircular canals
Central cavity of the labyrinth that connects the cochlea to the semicircular canals for equilibrium: vestibule
Sensitive auditory receptor area found in the cochlea of the inner ear: organ of Corti
The meaning of the combining form acous/o hearing
A combining form for ear: aur/o
What is the combining form for eustachian tube? salping/o
The combining form for the three small bones of the middle ear: ossicul/o
The meaning of the combining form myring/o: eardrum
The meaning of the combining form ot/o: ear
Meaning of the suffix -acusis: hearing
The combining form for the third bone of the middle ear: staped/o
Meaning of the suffix -otia: ear condition
Meaning of the suffix -meter: instrument to measure
Which term means dull or dim vision (also known as lazy eye)? amblyopia
Papilledema means there is swelling or associated intracranial pressure and hyperemia in what area? optic disc
Inflammation of the lacrimal gland and lacrimal ducts: dacryoadenitis
The combining form used in the term "postauricular" means: ear
Charted results of a hearing test: audiogram
Medical doctor who specializes in treating disorders of the eye: ophthalmologist
Blepharoptosis refers to drooping of what part of the eye? eyelid
Double vision is called: diplopia
Surgical reconstruction of the bones of the middle ear with reconnection of the eardrum to the oval window: tympanoplasty
Absence of vision in half of the visual field: hemianopsia
Charted results of a hearing test: audiogram
Medical doctor who specializes in treating disorders of the eye: ophthalmologist
Blepharoptosis refers to drooping of what part of the eye? eyelid
Double vision is called: diplopia
Surgical reconstruction of the bones of the middle ear with reconnection of the eardrum to the oval window: tympanoplasty
Absence of vision in half of the visual field: hemianopsia
Impairment of vision as a result of old age: presbyopia
A failure of the eyes to look in the same direction because of weakness of a muscle controlling the position of one eye: strabismus
Collection of skin cells and cholesterol in a sac within the middle ear: cholesteatoma
Farsightedness: hyperopia
Small, hard, cystic mass on the eyelid: chalazion
Defective curvature of the cornea or lens of the eye: astigmatism
Hardening of the bony tissue of the middle ear: otosclerosis
Damage to the retina and optic nerve with loss of vision due to increased intraocular pressure: glaucoma
Repetitive rhythmic movements of one or both eyes: nystagmus
Benign tumor arising from the acoustic vestibulocochlear nerve in the brain: acoustic neuroma
Removal of the entire eyeball: enucleation
What is a visual examination of the interior of the eye called? ophthalmoscopy
Surgical repair of the cornea: keratoplasty
Removal of the vitreous humor: vitrectomy
Use of an excimer laser to correct errors of refraction: LASIK
Testing the sense of hearing: audiometry
Visual examination of the ear canal with an otoscope: otoscopy
Use of ultrasonic vibrations to break up the lens, which is then aspirated through the ultrasonic probe: phacoemulsification
Suture of a silicone band to the sclera over a detached portion of the retina: scleral buckle
Test of ear conduction using a vibration source: tuning fork test
Consisting of two surfaces that are rounded, elevated, and curved evely like part of a sphere. Biconvex
tiny pit, or depression in the retina that is the region of the clearest vision. Fovea Centralis
Posterior, inner most part of the eye; visualized with an opthalmoscope fundus of the eye
Yellowish region on the Retina lateral to and slightly below the optic disc, contains the fovea centralis, which is the area of the clearist vision. Macula
Cranial Nerve carrying impulses from the retina to the brain (cerebral cortex) Optic Nerve
Nearsightedness Myopia
Farsightedness Hyperopia
Impairment of vision as a result of old age presbyopia
Small, hard, cystic mass (granuloma) on the eyelid chalazion
repetitive rhythmic movement of both eyes nystagmus
abnormal deviation of the eye strabismus
Eye turns inwards (cross eyed) esotropia
one eye turns outward (wall eyed) exotropia
Upward deviation of the eye hypertropia
downward deviation of the eye hypotropia
surgical repair of the cornea keratoplasty
Eardrum Tympanic Membrane
Ear Wax cerumen
Inner Ear Labyrinth
Carry impulses from the inner ear to the brain (crebral cortex) Auditory Nerve Fibers
Fluid within the labrynth of the ear endolymph
Sensitive auditory receptor area found in the cochlea of the inner ear Organ of Corti
Small bone in the ear, includes the malleus, incus, and stapes Ossicle
Helps maintiain equilibreum vestibule
Hardening of the bony tussue of the middle ear otosclerosis
Benign tumor arising from the acoustic vestibulocochlear nerve in the brain acoustic neuroma
Created by: misscollin