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54 Cards in this Set
- Front
- Back
which of the salivary glands is located anterior and inferior to the ear
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parotid gland
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the duct orifice for the paroitd duct lies opposite what structure
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2nd upper molar
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the parotid fascia is an extension of...
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investing layer of deep cervical fascia
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what is formed by structures which contact the deep surface of the parotid gland
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parotid bed
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what is the anterior border of the parotid bed
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ramus of mandible (flanked by masseter and medial pterygoid muscle)
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what is the posterior border of the parotid bed
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mastoid process, SCM, posterior belly of digastric
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what is the medial border of the parotid bed
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styloid process
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what is the posteriorsuperior border of the parotid bed
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temporomandibular joint and external acoustic meatus
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from superficial to deep, what structure would you find in the parotid gland
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facial nerve, retromandibular vein, external carotid artery
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what structure divides the parotid gland into a superficial and deep lobes
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facial nerve
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what veins form the retromandibular vein within the parotid gland
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superficial temporal and maxillary veins
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what branches arise from the external carotid artery within the parotid gland
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posterior auricular, superficial temporal (and transverse facial branch) and maxillary arteries
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which nerve that is a branch of the mandibular division of the trigeminal nerve passes deeply through the superior part of the parotid gland
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auriculotemporal nerve
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where does sensory innervation of the parotid gland come from
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auriculotemporal and great auricular
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postganglionic sympathetic neuron cell bodies with fibers going to the parotid gland would be found in...
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superior cervical ganglia
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preganglionic parasympathetic neuron cell bodies located in the brainstem and associated with what nerve
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glossopharyngeal nerve
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how does the glossopharyngeal nerve exit the skull
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jugular foramen
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preganglionic parasympathetic fibers leave the tympanic plexus in tympanic cavity on their way to the parotid gland via what nerve
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lesser petrosal nerve
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where do preganglionic axons synapse on postganglionic neurons for the parotid gland
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otic ganglion
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the otic ganglion is ____ to the mandibular nerve
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medial
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postganglionic parasympathetic axons are distributed to the paortid gland by what nerve
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auriculotemporal nerve
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what two structures does the condylar head of the mandible articulate with
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mandibular fossa and articular tubercle of temporal bone
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the articulating surfaces of the TMJ are covered with what type of cartilage
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fibrocartilage
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what structure divides the TMJ into two joint cavities
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articular disc
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a tendon from ____ attaches to the anterior part of the articular disc in the TMJ pulling the disc forward during mouth opening
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lateral pterygoid muscle
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how many synovial membranes exist in the TMJ
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two
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which ligament in the TMJ is an intrinsic ligament and helps prevent posterior displacement of the head of the mandible
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lateral ligament
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what ligament attaches the styloid process to angle of mandible, does not significantly support TMJ
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stylomandibular ligament
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what ligament limits inferior movement of mandible and can act as a fulcrum for opening and closing mouth
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sphenomandibular ligament
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the TMJ receives sensory innervation from what nerves
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auriculotemporal and masseteric branches of the mandibular nerve
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what forms the superior and posterior boundaries of the temporal fossa
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superior and inferior temporal lines
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what forms the anterior border of the temporal fossa
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frontal process of zygomatic bone and zygomatic process of frontal bone
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what forms the lateral boundary of the temporal fossa
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temporal fascia
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what forms the inferior boundary of the temporal fossa
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zygomatic arch and supramastoid crest and infratemporal crest
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what bones form the floor of the temporal fossa
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greater wing of sphenoid, frontal, parietal, and temporal bones
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what is the inferior attachment for the temporalis muscle
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coronoid process and anterior edge of ramus
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what actions can the temporalis muscle create in the jaw
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elevation and retration
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what arteries supply the temporalis muscle
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deep temporal arteries (from maxillary) and middle temporal artery (from superficial temporal artery)
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what nerve innervates the temporalis
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mandibular branch of trigeminal nerve (on deep side of temporalis)
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the sphenopalatine branch of maxillary artery and nasopalatine and posterior superior lateral nasal branches of the maxillary nerve pass through what opening to enter the nasal cavity
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sphenopalatine foramen
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what structure opens into the sphenoethmoidal recess
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sphenoid sinus
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what is the terminal branch of the maxillary artery
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sphenopalatine artery
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which artery that is a branch of the maxillary artery will eventually pass through the incivisve canal to supply the anterior septum and adjacent floor of nasal cavity
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greater palatine artery
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what artery that is a branch of facial artery supplies the anterior nasal septum
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superior labial artery
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what artery that is a branch of the facial artery supplies the nasal vestibule
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lateral nasal artery
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which of the ethmoidal arteries has a branch that helps to supply the external nose
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anterior ethmoidal arteries
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what is the main site for nose bleeds
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kiesselbach's area
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occasionally an emissary vein passes through the foramen cecum to drain into which sinus
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superior sagittal sinus
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what type of neurons are olfactory neurons
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bipolar
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what nerve provides sensory innervation to medial and lateral walls of anterior nasal cavity
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anterior ethmoidal nerve (CN V1)
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which nerve supplies the posteroinferior part of nasal cavity and septal wall
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maxillary nerve
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preganglionic fibers to the nasal and paranasal sinus mucosa is travels in what nerve
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greater petrosal nerve
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the postganglionic cell bodies for fibers going to the nasal and paranasal sinus mucosa can be found in...
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pterygopalatine ganglion
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what two nerves can sympathetic innervation to the nasal and paranasal sinus mucosa travel through
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deep petrosal nerve, nerve to the pterygoid canal
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