Ch. 7.7 Special Senses Key Terms
is a clear, watery fluid that fills the space between the cornea and iris.
aqueous humor
A mucous membrane
Conjunctiva
is a circular structure located behind the pupil and suspended in position by ligaments
Lens
bends
Refracts
Branches of vestibulocochlear as we nerve
Vestibule
is a tube that transmits sound waves to the eardrum
auditory canal
is a circular, transparent part of the front of the sclera.
Cornea
transmits the impulses from sound waves to the auditory nerve
organ of cort
The innermost layer of the eye
Retina
is the jellylike substance that fills the area behind the lens
vitreous humor
The outer ear contains the visible part of the ear
Auricle
The middle ear is connected to the pharynx, or throat, by a tube
eustachian tube
It contains three small bones, the malleus, the incus, and the stapes
Ossicles
maintains the shape of the eye.
Sclera
The middle layer of the eye
choroid coat
is the colored portion of the eye. contains two muscles, which control the size of the pupil and regulate the amount of light entering the eye.
Iris
is elastic cartilage covered by skin
Pinna
are also located in the inner ear.
semicircular canals
shaped like a snail's shell, contains delicate, hairlike mechanoreceptor cells, which compose the organ of Corti, a receptor of sound waves.
Cochlea
in the eye produce tears, which constantly moisten and cleanse the eye
lacrimal glands
The opening in the center of the iris
Pupil
separates the outer ear from the middle ear
tympanic membrane