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33 Cards in this Set
- Front
- Back
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what is the limbus?
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the place between the cornea and sclera
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what is the anterior wall of the bony orbit?
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no wall
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what are the posterior walls of the bony orbit?
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sphenoid
middle cranial fossa |
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what is the room above the orbit?
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anterior cranial fossa
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what is the room lateral to the orbit?
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temporal fossa
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what is the room inferior to the orbit?
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maxillary sinus
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what are the rooms medial to the orbit?
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nasal cavity
ethmoid sinus |
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what are the 6 bones that can be seen in the anterior view of the orbit?
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frontal bone
greater wing of sphenoid zygoma maxilla lacrimal bone ethmoid |
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what is the periostium within the orbital cavity called?
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periorbita
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what is made up of the continuation of the periorbita?
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orbital septum
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if you lose this artery, you go blind instantly. what is it?
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central retinal artery
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the opthalmic artery comes off the ... artery
-branches around the level of the optic chiasm |
internal carotid
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orbicularis oculi is innervated by what CN?
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CN 7 - facial n.
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where are the cell bodies of the post-ganglionic parasympathetics located for the eye?
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pterygopalatine ganglion
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where are the posterior ganglionic sympathetics located for the eye?
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superior cervical ganglion
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what is the eyelash called?
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cilium (cilia)
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what is the opening through which tears can drain?
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inferior lacrimal punctum
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what is the large, fleshy lump medial to the eye?
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caruncle
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what is the pinkish membrane on the medial part of the eyeball called?
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plica semilunaris
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what is the space between the upper and lower eyelids called?
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palpebral fissure
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what is the upper eyelid called?
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superior palpebra
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what is the corneo-scleral junction called?
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limbus
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the fornix of lacrimal sac is a common site of ...
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infection
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looking up is a combination of what 2 muscles?
what nerve is tested? |
superior rectus
inferior oblique CN3 - oculomotor n. |
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adduction of the eye involves what muscle?
what nerve is tested |
medial rectus
CN3 - oculomotor n. |
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abduction of the eye involves what muscle?
what nerve is tested? |
lateral rectus
CN6 - abducent n. |
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looking laterally and upward involves what muscle?
what nerve is tested? |
superior rectus
CN3 - oculomotor n. |
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looking laterally and downward involves what muscle?
what nerve is tested? |
inferior rectus
CN3 - oculomotor n. |
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looking medially and upwards involves what muscle?
what nerve is tested? |
inferior oblique
CN 3 - oculomotor n. |
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looking medially and downward involves what muscle?
what nerve is tested? |
superior oblique
CN4 - trochlear |
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the corneal test for sensory innervation from CN... and motor innervation from CN...
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CN 5
CN 7 |
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the cornea is innervated by what nerve?
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V1-opthalmic division of trigeminal
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orbicularis oculi is innervated by what nerve?
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CN 7 - facial n.
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