LA anatomy Flashcards
what is the largest cranial nerve?
trigeminal
where do the 3 divisions of the trigeminal nerve arise?
trigeminal ganglion
in which region of the skull does the trigeminal ganglion lie?
cranial fossa
the ophthalmic division of the trigeminal nerve exits the cranial fossa through?
superior orbital fissure
the maxillary division of the trigeminal nerve exits the cranial fossa through?
foramen rotundum
the mandibular division of the trigeminal nerve exits the cranial fossa through?
foramen ovale
after exiting the skull via the superior orbital fissure, where does the ophthalmic division of the trigmeninal nerve enter?
the orbit
after exiting the skull via the foramen rotundum, where does the maxillary division of the trigmeninal nerve enter?
ptergopalatine fossa
after exiting the skull via the foramen ovale, where does the mandicular division of the trigmeninal nerve enter?
infra temporal fossa
what is the function of the trigeminal nerve as a whole?
carry general sensory innverations for most of the head and motor innveravtion to the muscles of mastication
is the ophthalmic nerve sensory or motor?
sensory
the ophthalmic nerve provides innervations to where?
upper eyelid, cornea, conjunctiva, forehead, scalp and part of nasal cavity
is the maxillary nerve sensory or motor ?
sensory
the maxillary nerve provides innervations to?
lower eyelid, cheek, side of nose, part of nasal cavity, upper lip, hard and soft palate, maxillary teeth and gingivae
is the mandibular nerve sensory or motor?
both