Sensory System

The reason our nose runs when we cry is that tears flow across the eye into the lacrimal duct, which drains into the nasal cavity.
Pam tells you she wears glasses because the front of her eye is uneven. She insists she is neither nearsighted nor farsighted. Pam has astigmatism.
The black center in the iris is really a hole called the pupil.
The conjunctiva is a sac that lines the eyelid.
The eyeball has three coats, the sclera, the choroid and the retina.
The clear structure is that is called the “window of the eye” is the cornea.
The location on the retina that nerve fibers form the optic nerve is the optic disc.
The crystalline structure behind the pupil that focuses light rays on the retina is the lens.
The pupil constricts when exposed to bright light.
The cornea does not conatin blood vessels, so it gets its oxygen and nutrients from lymph fluid.
Extrinsic eye muscles allow for eye movement, and are attached to the sclera.
The three small bones located in the middle ear are called the malleus, incus, and stapes.
The lens of the eye lies directly behind the pupil.
The medical term for the shell-shaped part of the inner ear is cochlea.
The tube that connects the middle ear cavity and the throat is the eustachian tube.
The projections of the tongue that contain taste buds are called papillae.
The structure that separates the outer and middle ear is the typmanic membrane.
The iris is the colored part of the eye.
Peter wears contact lens to see the chalkboard at school. He probably has an eye disorder called myopia.
The part of the eye that is removed during cataract surgery is the lens.
An ophthalmoscope is used to examine someone complaining of blurred vision.
Your best friend has “pinkeye.” You should not share towels with that friend.
The eye is protected by the orbital cavity.
The medical term for a tiny abscess at the base of any eyelash called a hordeolum or sty.
The treatment of glaucoma can be medical or surgical, and involves a goal of lowering intraocular pressure.
A condition in which the lens loses elasticity after the age of 40 is presbyopia.
The white of the eye is called the sclera.
The anterior chamber of the eye is filled with aqueous humor.
The size of the iris and pupil is changed by intrinsic muscles.
The function of the lens is accommodation.
The retina contains visual receptors called rods and cones.
The function of vitreous humor maintains eye shape and refract light rays.
The correct pathway of vision is cornea, pupil, lens, retina, optic nerve.
The tympanic membrane is also known as the eardrum.
The outer part of the ear is known as the pinna.
The fluid that circulates in the semicircular canals is called endolymph.
The organ of Corti is located within the Cochlea.
Otitis media is usually treated with antibiotics.
Balance can be affected by a disorder of the inner ear.
The function of the lacrimal glands is to produce tears.
The function of cerumen is protection.
The cranial nerve that the nose is connected to is the olfactory nerve.
Someone with diplopia would be treated by an ophthalmologist.