RUSVM Microanatomy exam 3 Questions and Answers Fully Solved Graded A+
Functions of the ear - Answers - collect auditory stimuli
-transduce the mechanical stimuli
- transmit nerve impulses to CNS
middle ear - Answers tympanic cavity
Ear drum (tympanic membrane)
3 auditory oasicles
Eustachian tube
Eustachian tube - Answers Connection to pharynx to equalize air pressure
auditory ausicles - Answers malleus, incus, stapes
Connect tympanic membrane to oval window of inner ear
Tensor tympanic muscle - Answers Muscle of malleus
stapedius muscle - Answers Muscle of stapes
Reduces loud noises
inner ear - Answers Vestibular apparatus
Semilunar canals
Cochlea
bony labyrinth of inner ear - Answers Contains perilymph
cochlea - Answers Axis of spongy bone, cochlear nerve, and spiral ganglia
modiolus - Answers axis of spongy bone that the cochlea winds around
Membrane labyrinth of inner ear - Answers Contains endolymph
outer fibrous tunic of eye - Answers Sclera
Cornea
Limbus
Limbus - Answers junction of cornea and sclera
, Has small blood vessels (nutrition for cornea)
Middle (Uveal) vascular tunic - Answers Iris
Iridicorneal angle
Ciliary body
Choroid
Inner Retinal (Neuroepithelial) tunic - Answers Pigment layer
Neural layer (Rods and cones)
10 layers
Held in place by vitreous humor
Combined nerve fiber layers -> optic nerve (blind spot)
Sclera - Answers White
Opaque layer covering posterior of eye
Functions of the sclera - Answers Protects
Maintains shape
Insertions for tendons of extraocular muscles
Cornea characteristics - Answers Anterior portion of eye
Avascular
Transparent
Dehydrated
Highly innervated
Regenerative capacity
5 layers
Parallel cross hatched arrangement of collagen fibers (aids transparency)
3 components of the eye - Answers Outer fibrous tunic
Middle (Uveal) vascular tunic
Functions of the ear - Answers - collect auditory stimuli
-transduce the mechanical stimuli
- transmit nerve impulses to CNS
middle ear - Answers tympanic cavity
Ear drum (tympanic membrane)
3 auditory oasicles
Eustachian tube
Eustachian tube - Answers Connection to pharynx to equalize air pressure
auditory ausicles - Answers malleus, incus, stapes
Connect tympanic membrane to oval window of inner ear
Tensor tympanic muscle - Answers Muscle of malleus
stapedius muscle - Answers Muscle of stapes
Reduces loud noises
inner ear - Answers Vestibular apparatus
Semilunar canals
Cochlea
bony labyrinth of inner ear - Answers Contains perilymph
cochlea - Answers Axis of spongy bone, cochlear nerve, and spiral ganglia
modiolus - Answers axis of spongy bone that the cochlea winds around
Membrane labyrinth of inner ear - Answers Contains endolymph
outer fibrous tunic of eye - Answers Sclera
Cornea
Limbus
Limbus - Answers junction of cornea and sclera
, Has small blood vessels (nutrition for cornea)
Middle (Uveal) vascular tunic - Answers Iris
Iridicorneal angle
Ciliary body
Choroid
Inner Retinal (Neuroepithelial) tunic - Answers Pigment layer
Neural layer (Rods and cones)
10 layers
Held in place by vitreous humor
Combined nerve fiber layers -> optic nerve (blind spot)
Sclera - Answers White
Opaque layer covering posterior of eye
Functions of the sclera - Answers Protects
Maintains shape
Insertions for tendons of extraocular muscles
Cornea characteristics - Answers Anterior portion of eye
Avascular
Transparent
Dehydrated
Highly innervated
Regenerative capacity
5 layers
Parallel cross hatched arrangement of collagen fibers (aids transparency)
3 components of the eye - Answers Outer fibrous tunic
Middle (Uveal) vascular tunic
