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25 Cards in this Set

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