Term
| What are the branches of the superficial temporal artery? |
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Definition
| Transverse facial branch and middle temporal branch |
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Term
| What forms the retromandibular vein? |
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Definition
| Joining of the maxillary vein and superficial temporal vein |
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Term
| What forsm the common facial vein? |
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Definition
| Joining of the retromandibular vein and the facial vein |
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Term
| What nerve ascends with the superficial temporal artery and vein? |
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Definition
| Auriculotemporal nerve (V3) |
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Term
| What are the muscles of mastication? |
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Definition
| Temporalis, masseter, lateral pterygoid, and medial pterygoid |
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Term
| What is the developmental origin of the muscles of mastication? |
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Definition
| 1st pharyngeal arch of the embryo |
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Term
| What innervates the muscles of mastication? |
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Definition
| Mandibular division of trigeminal nerve (V3) |
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Term
| What are the contents of the infratemporal fossa? |
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Definition
| Sphenomandibular ligament, lateral and medial pterygoid muscle, mandibular nerve and chorda ympani, maxillary artery, pterygoid plexus of veins |
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Term
| What is the developmental origin of the sphenomandibular ligament? |
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Definition
| 1st pharyngeal arch of the embryo |
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Term
| What are the attachment points of the sphenomandibular ligament? |
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Definition
| Spine of sphenoid bone to lingula of mandible |
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Term
| What ligament limits the extreme protrusion of the mandible? |
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Definition
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Term
| Where do the upper and lower heads of the lateral pterygoid attach? |
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Definition
| Greater wing of sphenoid an lateral pterygoid plate respectively |
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Term
| What action is performed by contraction of the lateral pterygoid muscle? |
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Definition
| Depress and protrude mandible, unilateral contraction pushes chin to contralateral side |
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Term
| Where do the superficial and deep heads of the medial pterygoid attach? |
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Definition
| Maxillary tuberosity and lateral ptarygoid plate respectivel |
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Term
| What action is performed by the medial pterygoid muscle? |
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Definition
| Elevates amandible, unilateral contraction assists lateral pterygoid in side-to-side movement |
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Term
| What forms the mandiubular sling? |
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Definition
| Medial pterygoid and masseter muscles |
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Term
| The mandibular nerve (V3) enters the infratemporal fossa through what opening? |
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Definition
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Term
| What is distinct about the mandibular branch of CN V in contrast to the other two branches? |
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Definition
| Only division of CN V that carries motor fibers to innervate muscles of mastication |
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Term
| The meningeal branch of the mandibular nerve travels to what area? |
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Definition
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Term
| What is innervated by the anterior division of the mandibular nerve? |
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Definition
| Muscles of mastication and sensory to the cheek via a buccal branch |
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Term
| What king of innervation is provided by the posterior division of the mandibular nerve? |
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Definition
| Gives off auriculotemporal, lingual, and inferior alveolar nerves which are sensory with the exception of the mylohyoid branch of the inferior alveolar |
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Term
| Where does the auriculotemporal nerve split? |
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Definition
| Around middle meningeal artery before exiting the infratemporal fossa behind the neck of the mandible |
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Term
| What provides parasympathetic innervation to the parotid gland? |
|
Definition
| Auriculotemporal nerve via otic ganglion |
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Term
| What carries general sensation from the anterior 2/3 of the tongue and floor of the oral cavity? |
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Definition
| Lingal nerve branch of the mandibular nerve (V3) |
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Term
| What carries taste from the anterior 2/3 of the tongue as well as preganglionic innervation to submandibular ganglion? |
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Definition
| Chorda tympani branch of the mandibular nerve (V3) |
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Term
| What carries general sensation from mandibular teeth and gengiva? |
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Definition
| Inferior alveolar nerve branch of the mandibular nerve (V3) |
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Term
| What carries sensation from mucosa and skin of lower lip, chin, and incisive teeth? |
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Definition
| Mental nerve branch of the inferior alveolar nerve |
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Term
| What are the branches of the first part of the maxillary artery? |
|
Definition
| Deep auricular & anterior tympanic arteries, middle meningeal artery, inferior alveolar artery |
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Term
| What are the branches of the second part of the maxillary artery? |
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Definition
| Deep temporal arteries, buccal artery |
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Term
| What are the branches of the third part of the maxillary artery? |
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Definition
| Infraorbital, greater palatine, sphenopalatine, pharyngeal, artery of pterygoid canal, and posterior superior alveolar artery |
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|
Term
| Where do most branches of the third part of the maxillary artery originate? |
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Definition
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Term
| What is the location of the pterygoid plexus of veins? |
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Definition
| Surrounds lateral pterygoid muscle |
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Term
| What connects the pterygoid plexus of veins to the cavernous sinus? |
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Definition
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Term
| What connects the pterygoid plexus of veins to the facial veins? |
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Definition
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Term
| The pterygoid plexus of veins coalesce to form what vein? |
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Definition
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Term
| What subdivides the articular cavity of the temporomandibular joint into upper and lower cavities? |
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Definition
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Term
| What movements are performed by the temporomandibular joint? |
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Definition
| Hinge via lower cavity and gliding via upper cavity |
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Term
| What depresses and opens the jaw for chewing? |
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Definition
| Primarily gravity and lateral pterygoid muscle though other accessory masticatory muscles help |
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Term
| What elevates and retracts the jaw for closure during chewing? |
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Definition
| Masseter, temporalis, and medial pterygoid muscles |
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Term
| What shifts the mandible side to side during chewing? |
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Definition
| Masseter and medial pterygoid muscles |
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