Divisons of Trigeminal Nerve Flashcards
Branches of the trigeminal nerve
ophthalmic, maxillary, mandibular
The maxillary division carries what kind of information?
sensory ONLY
The maxillary division carries sensory information from what areas?
skin between the eyes and mouth, over the cheeks and temples, mucosa lining the maxillary sinuses, nasal conchae, palate, and gingiva
Four branches of the maxillary division
1) middle meningeal nerve
2) zygomatic nerve
3) 2-3 ganglionic branches
4) infraorbital nerve
The middle meningeal nerve is given off ____(before or after) the round foramen
before
The middle meningeal nerve carries sensory information from what areas?
meninges of the middle cranial fossa
Branches of the zygomatic nerve
1) communicating branch from the pterygopalatine ganglion to the lacrimal gland
2) zygomaticotemporal nerve
3) zygomaticofacial nerve
How does the zygomatic nerve enter the orbit?
through the inferior orbital fissure
The zygomatic nerve carries sensory information from what areas?
skin over the temple
The zygomaticofacial nerve carries sensory information from what areas?
skin over the cheek
The ganglionic branches carries sensory information from what areas?
upper pharynx, nasal cavity, and palate
The infraorbital nerve carries sensory information from what areas?
lower eyelid, skin over the upper jaw and the maxillary sinus
3 branches of the infraorbital nerve
1) posterior superior alveolar nerve
2) middle superior alveolar nerve
3) anterior superior alveolar nerve
The 3 branches of the infraorbital nerve carry sensory information from what areas?
the teeth
The mandibular division carries what kind of information?
motor and sensory
The mandibular division carries sensory information from what areas?
skin over the mandible, posterior cheek, posterior temple, mucosa of the lower oral cavity and cheeks
The mandibular division carries motor information to what areas?
8 muscles of mastication
Branches of the mandibular division
1) recurrent meningeal branch
2) medial pteryogoid nerve
3) anterior division
4) posterior division
The recurrent meningeal nerve carries sensory information from what areas?
dura of the middle cranial fossa, anterior cranial fossa, and calvarium
How does the recurrent meningeal nerve reenter the cranium?
foramen spinosum
The medial pterygoid nerve supplies what?
medial pterygoid muscle, tensor veli palatine, and tensor tympani
The anterior division of the mandibular nerve is predominately ____(motor or sensory)
motor
The posterior division of the mandibular nerve is predominately ____(motor or sensory)
sensory
The anterior division gives rise to what nerves?
1) masseter nerve
2) deep temporal nerve
3) lateral pterygoid nerve
4) buccal nerve
The masseter nerve supplies what and carries sensory information from what areas?
motor: masseter; sensory: temporomandibular joint
The deep temporal nerve gives rises to what branches?
1) anterior
2) posterior
The deep temporal nerve supplies what?
temporalis muscle
The lateral pterygoid nerve supplies what?
lateral pterygoid muscle
The buccal nerve carries sensory information from what areas?
the cheek and the buccal gingivae of the molars
The posterior division gives rise to what nerves?
1) auriculotemporal nerve
2) lingual nerve
3) inferior alveolar nerve
The auriculotemporal nerve carries sensory information from what areas?
skin of the temple and ear
The lingual nerve carries sensory information from what areas?
mucosa of the oral cavity
Two branches of the inferior alveolar nerve
1) incisive branch
2) mental nerve
The incisive branch carries sensory information from what areas?
incisors, canines, and 1st premolars and the adjacent gingivae
The mental nerve carries sensory information from what areas?
labial gingivae adjacent to the incisors and the skin of the lower lip and chin
The inferior alveolar nerve supplies what muscles?
mylohyoid and anterior belly of the digastric muscle
Two automatic ganglia that communicate with the mandibular division
1) submandibular ganglion
2) otic ganglion
