Ch. 7.7 Special Senses
Aqueous Humor
A clear, watery fluid that fills the space between the cornea and iris
Conjunctiva
A mucous membrane that lines the eyelids and covers the front of the eye to provide additional protection and lubrication
Lens
A circular structure located behind the pupil and suspended in position by ligaments
Refracts
Bends
Vestibule
The entrance to the two other parts of the inner ear.
Auditory Canal
Elastic cartilage covered by skin that leads to a conceal or tube
Cornea
A circular, transparent part of the front of the sclera.
Organ of Corti
The cochlea contains delicate hairlike mechanoreceptor cells, which compose the organ of Corti, a receptor of sound waves. Transmits the impulses from sound waves to the auditory nerve.
Retina
The innermost layer of the eye
Vitreous Humor
The jellylike substance that fills the area behind the lens
Auricle
The outer ear contains the visible part of the ear
Eustachian Tube
The middle ear is connected to the pharynx, or throat, by a tube called the Eustachian tube.
Ossicles
The middle ear is a small space, or cavity, in the temporal bone which contains three small bones (ossicles), The malleus, the incus, and the stapes
Sclera
The outermost layer is the tough connective tissue (white of the eye)
Choroid Coat
The middle layer of the eye, interlaced with many blood vessels that course the eyes.
Iris
The colored portion of the eye
Pinna
The outer ear contains the visible part of the ear. Elastic cartilage covered by skin
Semicircular Canals
Located in the inner ear and contain a liquid and delicate, hairlike cells that bend when the liquid moves with head and body movements.
Cochlea
Contains delicate hairlike mechanoreceptor cells, which compose the organ of Corti, a receptor of sound waves.
Lacrimal Glands
Produces tears
Pupil
The opening in the center of the iris
Tympanic Membrane
Separates the outer ear from the middle ear. It vibrates when sound waves hit it and transmits the sound waves tot eh middle ear.