The Orbit
Block 5
Which of the following make up the orbit?
The optic canal is where?
What secretes an oily substance onto the eye?
The medial and lateral palpebral ligaments connect what?
Which muscles attach to the superior tarsus?
Tears flow from medial to lateral in the eye
What does the lacrimal lake do?
Where do tears go after being collected by the lacrimal lake?
The lacrimal gland is parasympathetically innervated by what?
The lacrimal gland is sympathetically innervated by what?
The cornea has a rich blood supply
The middle layer of the eyeball (the uvea) is composed of what parts?
Hint: there are 3
What has attachment points for the lens and secrets aqueous humor?
What type of fibers innervate the sphincter pupillae?
What type of fibers innervate the dilator pupillae?
The posterior chamber is between which structures?
Glaucoma is a result of decreased uptake of aqueous humor. What structure takes up aqueous humor?
Sensory to the lacrimal gland is from what?
What limits abduction and adduction of the eyeball?
What innervates the orbicularis oculi?
What innervates the Levator Palpebrae Superioris?
What is the innervation of the Superior Tarsal Muscle?
All the rectus muscles (Superior, Inferior, Medial, and Lateral) are innervated by the Oculomotor nerve.
What are the actions of the inferior rectus?
Innervation and actions of the Superior Oblique
What is the origin of the inferior oblique?
Actions and innervation of the Inferior Oblique
The lateral palpebral arteries branch off of what?
The Nasociliary nerve (a branch of the Ophthalmic nerve) has 5 branches. What are they?
Injury to the trochlear nerve causes what?
Injury to the Abducens nerve causes what?
Injury to the Oculomotor nerve causes what?
What is the Edinger-Westphal nucleus?
Horner's Syndrome typically presents with which of the following?
Hint: 3