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Anatomy Ch 9

The Senses

TermDefinition
adaption the characteristic of sensations in which awareness of the sensation diminishes despite a continual stimulus
after-image the characteristic of sensations in which a sensation remains in the consciousness even after the stimulus has stopped
aqueous humor the tissue fluid of the eye within the anterior cavity of the eyeball
cochlea the snail-shaped portion of the inner ear that contains the receptors for hearing in the organ of Corti
cones the sensory receptors in the retina of the eye that detect colors
conjunctiva the mucous membrane that lines the eyelids and covers the white of the eye
contrast the characteristic of sensations in which a previous sensation affects the perception of a current sensation
cornea the transparent anterior portion of the sclera of the eye
Eustachian tube the air passage between the middle ear cavity and the nasopharynx
iris the colored part of the eye
lacrimal glands the glands that secrete tears
olfactory receptors the sensory receptors in the upper nasal cavities that detect vaporized chemicals, provides a sense of smell
organ of corti the structure in the cochlea of the inner ear that contains receptors for hearing
projection the characteristic of sensations in which the sensation is felt in the area where the receptors were stimulated
referred pain visceral pain that is projected and felt as cutaneous pain
retina the innermost part of the eyeball
rhodopsin the chemical in the rods of the retina that breaks down when light waves strike it
rods the sensory receptors in the retina of the eye that detect the presence of light
sclera the outermost layer of the eyeball
semicircular canals three oval canals in the inner ear that contain the receptors that detect motion
tympanic membrane eardrum
vitreous humor the semi-solid, gelatinous substance in the posterior cavity of the eyeball
Created by: Beina