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29 Cards in this Set
- Front
- Back
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What is the smooth elevation between the two superciliary arches called?
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Glabella
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What is the region of fusion of the body of mandible at the midline called?
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Symphysis menti
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what is the deepest structure embedded in the substance of the parotid gland?
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ECA
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What unites with the facial vein to form the common facial vein?
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Anterior branch of the retromandibular vein
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What two veins form the external jugular vein are?
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posterior auricular vein
Branch of the retromandibular vein |
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What are the two divisions that the facial artery gives off at the corner of the mouth?
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Superior labial
Inferior labial |
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The facial vein is anterior/posterior to the facial artery?
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posterior
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The infraorbital nerve is a branch of what cranial nerve?
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The maxillary division of the trigeminal nerve
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The mental nerve is a branch of what?
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The mandibular division of CN V
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The suprorbital nerve is a branch of what nerve?
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The ophthalmaic division of CN V
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What cranial nerves exits from the stylomastoid foramen?
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CN VII (Facial nerve)
This is where the facial canal terminates |
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What structure passes from the anterior wall of the middle ear cavity to the malleus? It is a tough, slender strand of tissue.
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Tendon of the tensor tympani muscle
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Which nerve is the deepest nerve in the canal to the internal ear cavity?
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The motor root of the facial (CN VII) nerve. Its more superficial companion is the vestibular/cochlear nerves
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What is the ganglion enlargment to the facial nerve called, located at the sharp bend in the facial nerve?
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Geniculate ganglion
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What layers make up the tympanic membrane?
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skin
Connective tissue Mucosa |
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Which structure is more anterior, the cochlea or the semicircular canals?
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The cochlea
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What is the bony core of the cochlea called?
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modiolus
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What is the upper space in the cochlea called?
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scala vestibuli
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What is the lower space of cochlea?
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scal tympani
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Which scala ends at the round window?
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Scala tympani
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What forms the lateral wall of the cochlear duct?
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Stria vascularis
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What is the only vascularized epithelium in the body?
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Stria vascularis (secretes endolymph)
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What is the function of the outer phalangeal cells?
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Helps form the tectorial membrane
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What cell types are found coverin gthe top and upper part of each side of the crista stratified?
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Two types of hair cells
Supporting Cells |
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What is the region of stratified epithelium located in the saccule and utricle called?
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The macula
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What type of movement does macula sense?
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Linear acceleration (horizontal and vertical)
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What type of fluid is found between the bone and the membraneous sac outling the "empty space"in the cochlea?
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Perilymph
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What type of fluid is found in the cochlear duct?
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endolymph
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What is the function of the otoconia?
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To help sense linear acceleration
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