infratemporal fossa Word Scramble
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Question | Answer |
How is the mandible connected to the temporal bone? | TMJ |
What two ligaments connect teh skull and mandible | Lateral TMJ ligament, stylomandibular and sphenomandibular ligaments |
What ligament connects the hyoid and styloid process of the temporal bone? | stylohyoid ligament |
What does V3 innervate for motor action besides the muscles of mastication? | mylohyoid, anterior body of digastric, tensor veli palatini and tensor tympani muscles |
How do parasympathetic signals from the facial and glossopharyngeal nerves get to glandular targets? | piggy back on fibers of V3 |
How do parasympathtetics from the glossopharyngeal nerve leave CNIX? | lesser petrosal nerve |
Where does the lesser petrosal nerve synapse? | otic ganglion |
Where is the otic ganglion? | medial surface of the mandibular nerve |
How do post synaptic parasympathetics get to teh parotid gland? | auriculotemporal nerve |
What are the sensory branches of V3? | dural branch of V3, auriculotemporal nerve, lingual nerve, inferior alveolar nerve adn the bucal nerve |
What are the muscles of teh submandibular triangle? | mylohyoid, anterior belly of teh digrastric, geniohyoid |
What innervates mylohyoid and anterior belly of digastric? | v3 |
What innervates geniohyoid | c1 |
What is the action of mylohyoid | pulls the hyoid bone anteriorly |
What is the action of the anterior belly of teh dygastric? | elevates teh hyoid bone adn opens the mouth |
What is the action of the geniohyoid? | pulls the hyoid anteriorly |
What is the action of the posterior belly of teh digastric? | elevates the hyoid bone and opens teh mouth |
What innervates the posterior belly of the digastric? | VII |
What is the action of stylohyoid? | elevates the hyoid bone |
What innervates sylohyoid? | VII |
What glands are in the submandibular triangle? | submandibular and sublingual |
What innervates the sublingual and submandibular gland? | facial neve via the chorda tympani and post synaptic fibers from teh submandibular ganglion |
How do parasympathetics get to the sublingual and submandibular gland? | parasympathetics from facial never leave CN VII as chorda tympani and follow lingual nerve to synaps in submand ganglion. post-synaptic then travel via lingual nerve |
Where do sublingual glands have small openings? | lingual fold |
Where do submandibular gland have openings | just one large opening at the sublingual caruncle |
Where does the parotid duct empty? | near 2nd upper molar |
How is the palatine tonsil sandwiched? | palatoglassal and palatopharyngeal folds |
What are the muscles of the tongue? | palatoglossus, genioglossus, hyoglossus, styloglossus and the intrinsic muscles of the tongue |
What is the function of the palatoglossus muscle? | elevates teh tongue and depresses the palate |
What is the function of the genioglossus muscle? | depresses the tongue |
What is the function of teh styloglossus? | elevates the tongue |
What is the function of the intrinsic muscles | oriented in many different directions and perform "acrobatic maneuvers" |
What is the innervation for palatoglossus? | Vagus |
How is the tongue supplied blood? | lingual artery and drained by the lingual vein |
what bones and landmarks make up the infratemporal fossa? | temporal bone, lateral pterygoid plate of sphenoid bone, pterion, pterygomaxillary fissure and sphenopalatine foramen |
Created by:
tjamrose
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