Ear Flashcards
blue arrow
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bony ear canal
blue arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/321/153/q_image_thumb.png?1533933533)
vertical macula in the saccule
the facial nerve exits the middle ear through the:
stylomastoid foramen (red arrow)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/321/983/a_image_thumb.png?1533935108)
Which cranial nerves provide sensory innervation to the tympanic membrane?
mandibular V3, Vagus X = lateral side
glossopharyngeal IX = meidal side
red arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/321/478/q_image_thumb.png?1533934243)
greater petrosal nerve
hair cells are specialized sensory cellls that:
alter the rate they stimulate an associate sensory nerve in response to bending of hair-like projections
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/319/640/a_image_thumb.png?1533933234)
blue arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/321/809/q_image_thumb.png?1533934766)
round window
light blue arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/321/845/q_image_thumb.png?1533934865)
tympanic plexus
red arrow (function?)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/321/408/q_image_thumb.png?1533934011)
vestibular branch of the vestibulocochlear nerve (CN VIII) balance
the cochlea is innervated by
the cochlear brans of CN VIII (vestibulocochlear)
blue bracket
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/319/116/q_image_thumb.png?1533933023)
vestibule
the pharyngotympanic tube is a passage for _______ between the _____ and _______
air
pharynx
tympanic cavity
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/322/202/a_image_thumb.png?1533935499)
blue arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/321/512/q_image_thumb.png?1533934345)
round window
green arrow (passing through?)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/321/424/q_image_thumb.png?1533934137)
facial nerve, internal acoustic meatus
which organ of the ear is respibsle for balance
vestibule (blue bracket)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/319/144/a_image_thumb.png?1533933089)
blue arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/322/026/q_image_thumb.png?1533935185)
malleus
red arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/322/514/q_image_thumb.png?1533936047)
umbo of the tympanic membrane (tip of the malleus on the other side)
chorda tympani exits the middle ear and joins with which nerve?
lingual nerve (blue arrow)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/321/937/a_image_thumb.png?1533935057)
orange dots sensory innervation
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/322/578/q_image_thumb.png?1533936395)
facial nerve CN VII
green arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/319/094/q_image_thumb.png?1533932977)
space between membranous and bony labrynths filled with perilymph
light blue arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/322/557/q_image_thumb.png?1533936267)
opening of the external acoustic meatus
the middle ear is an air filled space within the _________ portion of the ________ bone
petrous and tympanic portions
temporal bone
pink arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/321/820/q_image_thumb.png?1533934816)
tympanic nerve from CN IX (glossopharyngeal)
the vestibule is innervated by:
vestibular branch of CN VIII (vestibulocochlear)
red arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/322/029/q_image_thumb.png?1533935200)
incus
light blue arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/322/161/q_image_thumb.png?1533935301)
tensor tympani
red arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/321/941/q_image_thumb.png?1533935070)
facial nerve
tensor tympani innervation
manddibular nerve V3 (stern’s first law)
red arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/322/696/q_image_thumb.png?1533936816)
jugular foramen (part)
which part of the ear is responsble for hearing sensations
inner, middle, and external
the location of the sound wave transfer from perilymph to endolymph in the cochlear duct is dependent on:
frequency of the sound. higher frequency - towards the beginning, lower frequency towards the end
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/321/365/a_image_thumb.png?1533933912)
two types of balance organs in the vestibule:
maculae, cirstae
ossicles of the ear from lateral to medial
malleus, incus, stapes
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/321/713/a_image_thumb.png?1533934639)
which portion of the ear is responsible for balance sensation
inner ear only
temporal bone is comprised of fused portions:
squamous, tympanic, petrous
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/322/675/a_image_thumb.png?1533936750)
blue arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/321/470/q_image_thumb.png?1533934207)
geniculate ganglion
sensory (somatic and taste)
tensor tympani function:
dampen your own voice
red arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/321/813/q_image_thumb.png?1533934786)
promontory
an array of progressively shorter projections line up next to the kinocilium on a hair cell is referred to as:
stereocilia (blue bracket)
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/320/217/a_image_thumb.png?1533933399)
green arrow
![](https://s3.amazonaws.com/brainscape-prod/system/cm/251/321/846/q_image_thumb.png?1533934918)
stapedius muscle