Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
118 Cards in this Set
- Front
- Back
|
guards mandibular foramen
|
lingula of the mandible
|
|
|
Which joint is a diarthrodial joint?
|
tempromandibular joint
|
|
|
two movements of diarthrodial joint?
|
sliding and hinge joint
|
|
|
Which joint in the face has a dense, fibrous joint capsule?
|
tempromandibular joint
|
|
|
Which type of movement of the TMJ causes the mandible to move anteriorly?
|
sliding movement
|
|
|
Which type of movement of the TMJ causes the mandible to move inferiorly?
|
hinge movement
|
|
|
lies between the mandibular condyle and fossa?
|
articular disk
|
|
|
ligaments of TMJ?
|
temporomandibular, stylomandibular, sphenomandibular ligaments
|
|
|
condylar process and articular disk lie w/in the mandibular fossa of the temporal bone when the mandible is in what position?
|
closed
|
|
|
mandibular condyle rotates on the inferior surface of the articular disk when the mandible is in what position?
|
depressed (open)
|
|
|
What occurs as the mandible continues to open and the mandibular head and disk slide forward to lie just inferior to the articular tubercle of the temporal bone?
|
gliding motion (sliding movement)
|
|
|
mandibular condyle positioned anterior to articular tubercle of the temporal bone in which condition?
|
TMJ dislocation
|
|
|
mm. that close mandible?
|
temporalis, masseter, medial pterygoid mm.
|
|
|
Action: temporalis m.
|
closes mandible
|
|
|
Action: masseter m.
|
closes mandible
|
|
|
Action: medial pterygoid m.
|
closes mandible
|
|
|
opens mandible?
|
gravity, lateral pterygoid m., suprahyoid and infrahyoid mm.
|
|
|
assists in wide, resisted or excessive depression (opening)?
|
lateral pterygoid m.
|
|
|
assist during sudden or resisted opening of the jaw?
|
infrahyoid and suprahyoid mm.
|
|
|
Innervation: mm. of mastication
|
branches of mandibular n. V3
|
|
|
Origin: temporalis m.
|
temporal fossa
|
|
|
Insertion: temporalis m.
|
deep to zygomatic arch to coronoid process of mandible
|
|
|
Action: temporalis m.
|
posteriorly pulls to retract the mandible or anteriorly pulls to elevate the mandible
|
|
|
Innervation: temporalis m.
|
mandibular n. V3
|
|
|
Origin: masseter m.
|
zygomatic bone and arch
|
|
|
Insertion: masseter m.
|
inferior and lateral to mandible
|
|
|
Action: masseter m.
|
elevates and protrudes mandible
|
|
|
Innervation: masseter m.
|
mandibular n. V3
|
|
|
Origin: medial pterygoid m.
|
medial half of lateral pterygoid plate
|
|
|
Insertion: medial pterygoid m.
|
ramus and body of mandible
|
|
|
Action: medial pterygoid m.
|
closes jaw
|
|
|
runs parallel and deep to masseter m.?
|
medial pterygoid m.
|
|
|
Innervation: medial pterygoid m.
|
Mandibular n. V3
|
|
|
Origin: lateral pterygoid m.
|
crest of sphenoid bone
|
|
|
Insertion: lateral pterygoid m.
|
head of mandible and joint capsule
|
|
|
Action: lateral pterygoid m.
|
pulls anteriorly to open mandible and close jaw
|
|
|
Innervation: lateral pterygoid m.
|
Mandibular n. V3
|
|
|
location of trigeminal ganglion
|
Meckel's Cave
|
|
|
fold of dura that is the location of the trigeminal ganglion
|
Meckel's Cave
|
|
|
motor fibers of Trigeminal CN V run through which branch?
|
Mandibular V3
|
|
|
common place for entrapment of Mandibular V3?
|
between medial and lateral pterygoid mm.
|
|
|
what branch of Trigeminal CN V carries PS to the submandibular, parotid and sublingual glands?
|
Mandibular V3
|
|
|
location where Mandibular V3 exits cranial cavity?
|
foramen ovale
|
|
|
Which mm. innervated by n. to medial pterygoid?
|
tensor tympani and tensor veli palatini mm.
|
|
|
Innervation: tensory tympani m.
|
n. to medial pterygoid V3
|
|
|
Innervation: tensor veli palatini m.
|
n. to medial pterygoid V3
|
|
|
n. to medial pterygoid a branch of?
|
Mandibular n. V3
|
|
|
n. to lateral pterygoid a branch of?
|
Mandibular n. V3
|
|
|
masseteric n. a branch of?
|
Mandibular n. V3
|
|
|
temporal n. a branch of?
|
Mandibular n. V3
|
|
|
n. to mylohyoid a branch of?
|
Mandibular n. V3
|
|
|
What mm. innervated by n. to mylohyoid?
|
mylohyoid and anterior belly of digastric m.
|
|
|
Innervation: mylohyoid
|
n. to mylohyoid V3
|
|
|
Innervation: anterior belly of digastric m.
|
n. to mylohyoid V3
|
|
|
n. that encircles middle meningeal a.
|
auriculotemporal n. V3
|
|
|
n. that sends sensory innervation to auricle and temporal region?
|
auriculotemporal n. V3
|
|
|
n. that sends articular fibers to TMJ?
|
auriculotemporal n. V3
|
|
|
n. carrying PS postganglionic fibers to parotid gland?
|
auriculotemporal n. V3
|
|
|
n. that parallels superficial a. and v.?
|
auriculotemporal n. V3
|
|
|
n. that gives off n. to mylohyoid and then enters mandibular foramen?
|
inferior alveolar n. V3
|
|
|
n. that supplies all mandibular teeth?
|
inferior alveolar n. V3
|
|
|
n. that terminates as mental n.?
|
inferior alveolar n. V3
|
|
|
n. giving sensory innervation to chin and lower lip?
|
mental n. (inferior alveolar n. V3)
|
|
|
n. that passes through mental foramen?
|
mental n. V3
|
|
|
n. conveying general sensation from anterior 2/3 of the tongue and mouth?
|
lingual n. V3
|
|
|
located anterior to inferior alveolar n.?
|
lingual n. V3
|
|
|
chorda tympani (Facial CN VII) joins this n. in the infratemporal fossa?
|
lingual n. V3
|
|
|
n. conveying special sensation of taste from anterior 2/3 of tongue?
|
lingual n. v3
|
|
|
n. carrying preganglionic PS fibers from Facial CN VII to the submandibular ganglion?
|
lingual n. V3
|
|
|
n conveying sensation from skin and mucous membranes of the cheek?
|
buccal n. V3
|
|
|
n. that can be trapped between two heads of lateral pterygoid m.
|
buccal n. V3
|
|
|
pathway of preganglionic PS fibers to submandibular/sublingual glands?
|
Facial CN VII to chorda tympani to lingual n. V3
|
|
|
postganglionic PS cell bodies for submandibular/sublingual glands located where?
|
submandibular ganglion
|
|
|
pathway for PS preganglionic fibers to innervate parotid gland?
|
Glossopharyngeal CN IX
|
|
|
postganglionic PS cell bodies for innervation of parotid gland located where?
|
otic ganglion
|
|
|
pathway of postganglionic PS fibers for innervation of parotid gland?
|
auriculotemporal n. V3
|
|
|
connects Facial CN VII w/ lingual n. V3
|
chorda tympani
|
|
|
carries taste sensation from anterior 2/3 of tongue
|
chorda tympani
|
|
|
conveys preganglionic PS fibers from brainstem via Facial CN VII to submandibular ganglion
|
chorda tympani
|
|
|
receives preganglionic PS fibers from inferior salivatory nucleus via Glossopharyngeal CN IX
|
otic ganglion
|
|
|
sends postganglionic PS fibers via auriculotemporal n. V3 to the parotid gland
|
otic ganglion
|
|
|
maxillary a. a terminal branch of?
|
external carotid a.
|
|
|
a. that is divided into three by lateral pterygoid m.?
|
maxillary a.
|
|
|
a. deep to ramus and head of mandible?
|
maxillary a.
|
|
|
branches of mandibular division (1st part) of maxillary a.?
|
deep auricular a., anterior tympanic a., inferior alveolar a., middle meningeal a., accessory meningeal a.
|
|
|
part of maxillary a. medial (proximal) to lateral pterygoid m.?
|
mandibular portion (1st part)
|
|
|
deep auricular a. a branch of?
|
maxillary a.
|
|
|
anterior tympanic a. a branch of?
|
maxillary a.
|
|
|
inferior alveolar a. a branch of?
|
maxillary a.
|
|
|
middle meningeal a. a branch of?
|
maxillary a.
|
|
|
accessory meningeal a. a branch of?
|
maxillary a.
|
|
|
supplies external auditory meatus and outer TMJ?
|
deep auricular a.
|
|
|
supplies inner TMJ?
|
anterior tympanic a.
|
|
|
travels through petrotympanic fissure?
|
anterior tympanic a.
|
|
|
travels through mandibular foramen w/ inferior alveolar n.?
|
inferior alveolar a.
|
|
|
supplies lower teeth and gums?
|
inferior alveolar a.
|
|
|
enters foramen spinosum to supply dura mater?
|
middle meningeal a.
|
|
|
enters foramen ovale to supply dura mater?
|
accessory meningeal a.
|
|
|
Which part of Maxillary a. supplies only mm.?
|
pterygoid portion (2nd part)
|
|
|
Which part of maxillary a. is under lateral pterygoid m.?
|
pterygoid portion (2nd part)
|
|
|
branches of pterygoid portion of maxillary a.?
|
deep temporal, masseteric, pterygoid, and buccal aa.
|
|
|
deep temporal a. a branch of?
|
maxillary a.
|
|
|
masseteric a. a branch of?
|
maxillary a.
|
|
|
pterygoid a. a branch of?
|
maxillary a.
|
|
|
buccal a. a branch of?
|
maxillary a.
|
|
|
part of maxillary a. distal to pterygoid m.?
|
pterygopalatine portion (3rd part)
|
|
|
connects facial vv. w/ cavernous sinus
|
pterygoid plexus of vv.
|
|
|
damage to this n. causes inability to clench jaw tightly and difficulty in chewing
|
damage to mandibular n. V3
|
|
|
W/ damage to mandibular n. V3, the jaw will deviate which way when the mouth is open?
|
towards the affected side
|
|
|
What mm. cause deviation of the mandible towards the midline (adduction) as the mandible opens? This causes the mandible to be pushed towards the weak side as the jaw opens?
|
lateral ptyergoid m.
|
|
|
used by dentists to anesthetize the mandibular teeth
|
inferior alveolar n. block
|
|
|
anesthetic is injected around what n. near its entrance to the mandibular foramen to anesthetize the mandibular teeth?
|
inferior alveolar n.
|
|
|
What n. will accidentally get anesthetized during an inferior alveolar n. block?
|
lingual n. V3
|
|
|
If the needle is placed too far posteriorly during an inferior alveolar n. block, the parotid gland can be punctured which will anesthetize what nn.?
|
branches of Facial CN VII
|
|
|
If the parotid gland is anesthetized in an inferior alveolar n. block, what can transiently occur?
|
Bell's palsy
|
|
|
Dentists use what as a landmark to anesthetize the inferior alveolar n.?
|
lingula of the mandible
|
|
|
condition where mandibular condyle slides too far anteriorly and ends up anterior to the articular tubercle resulting in the jaw not closing and damage to nn. in the area
|
TMJ dislocation
|
|
|
To fix this condition, mandible must be pushed first inferiorly and then posteriorly
|
TMJ dislocation
|
