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Special Senses (Ch. 16)
N/A
26
Anatomy
Undergraduate 2
10/29/2011

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Cards

Term
Define gustation
Definition
taste; a chemical sensation
Term
True or false:
the bumps on the tongue are taste buds
Definition
false; they are fungiform papillae
Term
What type of cell are taste buds?
Definition
specialized epithelial cells
Term
Define olfaction
Definition
smell; chemical sensation
Term
Where there are ciliated cells, there are ____
Definition
goblet cells
Term
What sections of the ear are embedded in the temporal bone?
Definition
Middle and internal (labyrinth) ear
Term
What is the boundary between the external and middle ear?
Definition
tympanic membrane
Term
What part of the cochlea moves?
Definition
tectorial membrane
Term
What part of the cochlea does NOT move?
Definition
the basilar membrane
Term
What is the vestibule responsible for?
Definition
linear acceleration and static equilibrium
Term
What are the semicircular canals responsible for?
Definition
rotational acceleration and dynamic equilibrium
Term
Define Otolithic membrane
Definition
jelly-like disc that contains otoliths
Term
The membranous labyrinth is filled with _____ and surrounded by ______
Definition
endolymph; perilymph
Term
What are the three layers of the wall of the eyeball?
Definition
Fibrous layer (sclera and cornea), vascular layer (choroid, ciliary body, and iris), and inner layer (retina and optic nerve)
Term
What cell is responsible for eye color?
Definition
melanocytes
Term
The eye is technically a ____ organ
Definition
hollow
Term
True or false:
the conjunctiva covers the cornea
Definition
False; the conjunctiva does NOT cover the cornea
Term
Define conjunctiva
Definition
transparent mucous membrane that covers the inner palpebrae and anterior eye
Term
The inferior oblique is located on the ____ side
Definition
lateral
Term
What are the three components of the neural layer of the retina?
Definition
ganglion cells, bipolar cells, and rods/cones
Term
Are the ganglion cells of the retina afferent or efferent?
Definition
afferent
Term
Define macula lutea
Definition
exact posterior pole of the eye
Term
Define fovea centralis
Definition
depression in the macula lutea that only contains cones
Term
What is the blind spot of the eye?
Definition
the optic disc
Term
What cranial nerve corresponds to the axons of the retinal ganglion?
Definition
CN II
Term
What is the neural pathway for vision?
Definition
retina, optic nerve, optic chiasm, optic tract, thalamus, and visual cortex
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