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20 Cards in this Set
- Front
- Back
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Which cranial nerve gives the sensibility to the middle ear cavity?
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Glossopharyngeal nerve
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What are the 3 layers of the posterior segment of eyeball?
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Sclera
Choroid Optic part of retina |
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What are the 3 layers of the anterior segment of eyeball?
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Cornea
Ciliary body Blind part of retina |
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Chamber inside the eyeball that filled with aqueous humor?
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Anterior chamber
Posterior chamber Vitreous body |
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Muscles in the middle ear?
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M. stapedius
M. tensor tympani |
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Name organs of hearing and balance
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Cochlear
Semilunar canal Sacculus Utriculus |
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Name components of external ear
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Pinna
External acoustic meatus Tympanic membrane |
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Name bones of middle ear
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Malleus
Incus Stapes |
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Components of bony labyrinth?
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Cochlea
Vestibulum Semilunar canal |
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Which nerve innervates inner ear?
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Vestibulocochlear
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Which nerve innervates middle ear?
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Stapedius nerve (of facial)
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Name the fluid between the bony labyrinth and membranous labyrinth?
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Perilymph
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Name the fluid in membranous labyrinth?
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Endolymph
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Name the layers of eyeball?
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Fibrous tunic
Vascular tunic Nervous tunic |
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Blood supply of eye?
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Central retinal artery
Ciliary artery |
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Name the layers of retina
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Pigmented stratum
Cerebral stratum(3): - Rods and cones - Bipolar cells (ganglionic layer of retina) - Multipolar cells (ganglionic layer of optic nerve) |
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Explain the corneal reflex, afferent and efferent branch?
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Closure eyelids upon action of trigeminal nerve fibers as afferent and facial nerve as efferent branch
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Smooth muscle of iris?
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Pupillary sphincter
Pupillary dilator |
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Innervation of stapedius muscle?
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Facial nerve (stapedius n)
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Window from middle to inner ear:
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Oval and round window
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