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25 Cards in this Set
- Front
- Back
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Emissary veins
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Connect CT layer of scalp to dural sinuses
(No valves) Pass through diploe. |
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Origin of supratrochlear nerve?
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CN V1 (opthalmic division of trigeminal)
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Origin of supraorbital nerve?
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CN V1 (opthalmic division of trigeminal)
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Origin of zygomaticotemporal nerve?
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CN V2 (From maxillary division of trigeminal)
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Origin of auriculotemporal nerve?
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CN V3 (From mandibular divison of trigeminal)
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Orignin of Lesser occipital nerve?
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Ventral rami C2, C3
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Origin of Great occipital nerve?
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Dorsal rami C2
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Origin of Third occipital nerve?
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dorsal ramus C3
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Origin of supratrochlear artery?
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Opthalmic division of ICA
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Origin of Supratrochlear artery?
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Opthalmic division of ICA
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Spinal cord level of dermatome of shoulder.
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C4
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What are the V1 nerves on the face?
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External nasal, Supratrochlear, Supraorbital, Lacrimal, infrotrochlear
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What are the V2 nerves on the face?
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Infraorbital
Zygomatico temporal Zygomaticofacial |
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What are the V3 nerves on the face?
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Mental
Buccal Auriculotemporal |
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Innervation of platysma muscle?
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CN 7
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What is the embryological origin of all facial muscles?
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2nd pharyngeal arch
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Where does the facial nerve exit the skull?
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Via the stylomastoid foramen
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What are the 5 main branches of the facial nerve?
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Temporal
Zygomatic Buccal Mandibular Cervical |
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What does the motor component of the facial nerve supply?
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All muscles of facial expression
Stylohyoid Posterior belly of digastric muscle |
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What is affected in Bell's Palsy?
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The facial nerve
(sometimes through infections of middle ear) |
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What are some symptoms of Bell's palsy?
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Inability to close one's eye
Facial drooping |
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What muscle does the parotid duct pass over?
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Masseter muscle
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What muscle does the parotid duct pierce?
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Buccinator
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Where does the parotid duct open into the mouth?
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Adjacent to the second upper molar.
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What structures lie deep to the parotid gland?
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Facial nerve
External carotid artery (superficial temporal superiorly) Retromandibular vien Auriculotemporal nerve (V3) |
