Flashcards in Mandibular Division Deck (42)
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1
Where does the Mandibular division exit the cranial vault?
foramen ovale
2
Where do the large sensory root and the small motor root of the mandibular division combine?
The infratemporal fossa
3
What kind of fibers does the mandibular division carry?
both motor and sensory
4
The mandibular division of the Trigeminal nerve carries sensory information from the skin over the mandible, posterior cheek and what other skin?
over the posterior temple
5
Other than skin, the mandibular division carries sensation from where?
mucosa of the lower oral cavity and cheeks
6
how many muscles does the mandibular division supply motor innervation?
16 (8 on each side)
7
List the muscles innervated by the mandibular division.
Muscles of mastication (masseter, temporalis, medial pterygoid and lateral pterygoid), Tensor Veli Palatine, Tensor Tympani, Mylohyoid, and the Anterior Belly of Digastric
8
Which two branches are given off in the infratemporal fossa?
recurrent meningeal and medial pterygoid nerve
9
What is the other name for the recurrent meningeal nerve?
nervus spinosum
10
Where does the recurrent meningeal branch reenter the cranium?
foramen spinosum
11
What carries sensory info from the dura of the middle cranial fossa?
recurrent meningeal branch
12
What all is innervated by the recurrent meningeal branch of the mandibular division of the trigeminal nerve?
dura from the middle cranial fossa, anterior cranial fossa, and calvarium (skull cap dura)
13
What nerve is the motor supply for the medial pterygoid muscle?
medial pterygoid nerve
14
Some fibers from the medial pterygoid nerve pass through a ganglion. What is its name?
Otic Ganglion
15
What nerve supplies the tensor veli palatine and tensor tympani muscles?
medial pterygoid nerve of the mandibular division of the trigeminal nerve.
16
Which division of the mandibular division of the trigeminal nerve is predominately motor?
anterior division
17
Which division of the mandibular division of the trigeminal nerve is predominately sensory?
posterior division
18
What are the 4 nerves given off of the anterior division of the mandibular division?
(MLB players chew Dark Tobacco) Masseter nerve, lateral pterygoid nerve, buccal nerve, and deep temporal nerve
19
In addition to carrying motor innervation to masseter muscle, the masseter nerve also carries sensory info to what?
Temporomandibular joint
20
What nerve from the anterior division of the mandibular division gives off an anterior and posterior branch that supply the temporalis muscle?
deep temporal nerve
21
What nerve innervates the lateral pterygoid muscle?
lateral pterygoid nerve
22
what is the major sensory branch of the anterior division of the mandibular division of the trigeminal nerve?
buccal nerve
23
What nerve conveys sensation from the buccal gingivae of the molars, and the skin and mucosal surfaced of the cheek?
buccal nerve
24
What are the nerves given off of the posterior division of the mandibular division?
(PAIL) Posterior division has Auriculotemporal, Inferior alveolar, Lingual
25
What kind of information is carried by the auriculotemporal nerve?
sensory
26
What nerve passes through the parotid gland, posterior to the TMJ, and into the infratemporal fossa?
auriculotemporal
27
What nerve carries sensory info from the skin of the temple and ear?
auriculotemporal
28
In addition to carrying info from the skin and ear, the auricular nerve carries what kind of fibers from the otic ganglion?
postganglionic parasympathetic fibers
29
What nerve of the posterior division of the mandibular nerve conveys sensory info from the mucosa of the oral cavity?
lingual nerve
30
