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Copyright © 2009 Pearson Education, Inc., publishing as Pearson Benjamin Cummings

Cranial Nerves
The Trigeminal Nerves (V)
Primary function
Mixed (sensory and motor) to face
Origin
Ophthalmic branch (sensory):
orbital structures
nasal cavity
skin of forehead, upper eyelid, and eyebrow
part of nose

Copyright © 2009 Pearson Education, Inc., publishing as Pearson Benjamin Cummings

Cranial Nerves
The Trigeminal Nerves (V)
Origin
Maxillary branch (sensory):
lower eyelid
upper lip, gums, and teeth
cheek and nose
palate and part of pharynx
Mandibular branch (sensory):
lower gums, teeth, and lips
palate and part of tongue
Mandibular branch (motor):
motor nuclei of pons


Copyright © 2009 Pearson Education, Inc., publishing as Pearson Benjamin Cummings

Cranial Nerves

The Trigeminal Nerves (V)
Pathway
Ophthalmic branch:
superior orbital fissure
Maxillary branch:
foramen rotundum
Mandibular branch:
foramen ovale

Copyright © 2009 Pearson Education, Inc., publishing as Pearson Benjamin Cummings

Cranial Nerves
The Trigeminal Nerves (V)
Destination
Sensory nerves:
sensory nuclei in pons
Motor nerves of mandibular branch:
muscles of mastication


Copyright © 2009 Pearson Education, Inc., publishing as Pearson Benjamin Cummings

Cranial Nerves

Trigeminal Nerve Structures
Trigeminal nerves
Largest cranial nerves
With three major branches
Semilunar ganglion
Contains cell bodies of sensory neurons

Cranial Nerves

The Trigeminal Nerve.
anatomy

Cranial Nerves

anatomy





رفعت المحاضرة من قبل: Firas Ragheed
المشاهدات: لقد قام 12 عضواً و 170 زائراً بقراءة هذه المحاضرة








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