EOM Innervation and Blood Supply Flashcards
1
Q
Motor innervation by CN III
A
Superior division:
Superior rectus
Inferior division:
Medial rectus
Inferior rectus
Inferior oblique
2
Q
Motor innervation by CN VI
A
Lateral rectus
3
Q
Motor innervation by CN IV
A
Superior oblique
4
Q
What branch supplies blood to the EOMs
A
Muscular branch off the ophthalmic off the internal carotid artery
5
Q
The superior or lateral branch of the muscular artery supplies which EOMs
A
The superior rectus, superior oblique, and lateral rectus
6
Q
The inferior or medial branch of the muscular artery supplies which EOMs
A
The inferior rectus, inferior oblique, and medial rectus
7
Q
Blood drainage of the EOMs
A
Drains into muscular veins into the superior and inferior ophthalmic veins
