Topic 14 nerve supply Flashcards
what is the nerve supply of the cornea?
Trigeminal nerve (CN V)
Nerve ending is in sub-epithelial region and extend to mid stroma
what is the nerve supply of the uveal tract?
Trigeminal nerve (CN V) for all 3 structures of the uveal tract
Oculomotor nerve (CN III) for iris and ciliary body
what is the nerve supply of the sclera?
trigeminal nerve (CN V)
what is the nerve supply of the retina?
Optic nerve (CN II) transmits impulses from the retina to the brain
what is the nerve supply of the conjunctiva?
Trigeminal nerve (CN V)
what is the nerve supply of the eyelids? ( upper eyelid, lower eyelid, OO muscle, riolan muscle, LPS)
Trigeminal nerve (CN V): upper eyelid, lower eyelid
Facial nerve (CN VII ): Orbicularis oculi muscle, Riolan muscle, lower eyelid
Oculomotor nerve (CN III): LPS muscle
Sympathetic branch: Muller’s muscle
what is the nerve supply of the eyebrows?
Facial nerve (CN VII)
what is the nerve supply of the lacrimal apparatus?
Trigeminal nerve (CN V): Tear secretion by lacrimal gland
Facial nerve (CN VII): Tear drainage
what is the nerve supply of the forehead muscles?
Facial nerve (CN VII)
what is the nerve supply of the EOM? 3, SO4,LR6
MR: inferior division of oculomotor (CN lll) ‘
LR: abducens nerve (CN Vl)
SR: superior division of oculomotor (CN III)
IR: inferior division of oculomotor (CN lll) ‘
SO: trochlear nerve (CN IV)
IO: inferior division of oculomotor (CN lll) ‘
What are the 6 nerves u gotta know? (OOTTAF) Are they sensory or motor or both?
CN 2: optic nerve (s) CN 3: oculomotor nerve (m) CN 4: trochlear nerve (m) CN 5: trigeminal nerve (both) CN 6: abducens nerve (m) CN 7: facial nerve (both)