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51 Cards in this Set

  • Front
  • Back
What is the significance of arachnoid granulations? Where are they located
Project into superior saggital sinus, absorb CSF into sinuses
Identify vessels which drain to venous dural sinuses
-Cerebral veins
-Vertebral veins
-Diploic veins
-Emissary veins
-Cavernous sinus
Which major vessel supplies major arterial supply to dura
Middle meningeal artery
Identify major sensory nerves which supply dura
V1 - anterior and posterior ethmoidal
V2 and V3 - meningeal branches
CN X and XII (C1)
What does SCALP stand for
Layers of scalp
-Dense connective tissue
-Loose connective tissue
In which layer of scalp do vessels travel
Dense CT
In which layer of scalp muscles located
Aponeurosis - occipitalis + frontalis
Which layer of scalp is danger layer
Loose CT
Identify distribution of CN V to face
V1 - upper eyelid, dorsal nose
V2 - below eyes, above upper lip
V3 - below lower lip
Identify 4 major arteries which contribute to circulation of face
-Facial artery
-Maxillary artery
-Superficial temporal - transverse facial
Venous drainage of face ultimately reaches 3 venous channels, what are they
Cavernous sinus
Paralysis of CN VII leads to
Bells palsy and hyperacusis (stapedius paralysis)
Where does parotid duct open
Oral cavity opposite 2nd molar tooth
Important structures that go through parotid gland
-Auriculotemporal nerve (V3)
-Retromandibular vein
-Transverse facial artery
-Lymph nodes
Trace GVE p component of CN IX in autonomic innervation of parotid gland
Tympanic branch of CN IX goes to tympanic cavity - forms tympanic plexus - exits as lesser petrosal nerve and goes through hiatus for lesser petrosal nerve then exits skull through foramen ovale and synapses at otic ganglion and hitch hikes ride on auriculotemporal nerve to parotid gland
Muscle that closes eye
Orbicularis oculi
Muscle that closes mouth
Orbicularis oris
Muscle that keeps food between teeth
Muscles of facial expression are innervated by _ , which arch?
VII - 2nd arch
Identify 3 major muscles of pharynx and their associated fascias
Superior, middle and inferior constrictors
-Buccopharyngeal fascia on top and pharyngobasilar fascia under them
Identify muscles which elevate larynx and pharynx during swallowing
-Stylopharyngeus - CN IX
-Palatopharyngeus - CN X
-Salpingopharyngeus - CN X
Identify nerves which form pharyngeal plexus
- On middle constrictor - pharyngeal branches of CN IX and X and sympathetic branches from superior cervical ganglion.
Vagal - all muscles except stylopharyngeus (CN IX)
Glands of pharynx are innervated by _
CN VII - greater petrosal nerve
Major arteries supplying pharyngeal wall
-Ascending pharyngeal
-Superior thyroid
Identify muscle that when contracts opens auditory pharyngeal tube
Tensor veli palatini
What is torus tubaris
Elevation of mucosa made by cartilaginous portion of auditory tube
What structures exit beneath torus tubaris
auditory tube and levator veli palatini
Paralysis of right levator palatini results in deviation of uvula to which side
Left side
Sagging of pillars - to same side
Where do veins of pharyngeal plexus drain
Pterygoid plexus + IJV
How do you classify cricothyroid joint
2 antagonistic muscles of cricothyroid joint
Cricothyroid - pulls forward
Inferior constrictor - pulls backward
Membrane to false vocal cords
Quadrangular membrane
Membrane to true vocal cords
Conus elasticus - cricovocal membrane
Muscle that abducts true vocal folds
Posterior cricoarytenoid
Innervation of larynx
Innervation of intrinsic muscles of larynx
Recurrent laryngeal
Innervation of cricothyroid
External laryngeal
Innervation of mucosa of larynx
Internal laryngeal + recurrent (vocal fold)
Muscle that close mandible
-Medial pterygoid
Innervation to muscles of mastication
Sphenomeniscus is what?
Superior part of lateral pterygoid muscle
Function of sphenomeniscus
Depresses mandible, prepares mouth to be open
What are the attachments and function of temporobuccinator band
Buccinator and IT portion of sphenoid
Behind - buccal artery and nerve
Identify two specific branches of GVE p whose postganglionic fibers travel with V3
Chorda tympani - CN VII
Lesser petrosal - CN IX
Lingual and inferior alveolar nerves pass between which two muscles
Medial and lateral pterygoid
Identify venous communications of pterygoid plexus
With cavernous sinus via emissary veins
With inferior ophtalmic vein
With facial vein by deep facial vein
With sphenopalatine to nasal cavity
Identify nerve which innervates inside and outside of the cheek
Buccal V3
Superior and middle nasal conchae are part of which bone
3 components of nasal septum
-Perpendicular plate of ethmoid
-Septal cartilage
Term for communication of nasal cavity with nasopharynx
Identify arteries that form Kiesselbachs plexus
-Sphenopalatine - from maxillary
-Greater palatine - from maxillary
-Anterior ethmoidal - from ophtalmic
-Superior labial - from facial