Instant anatomy tutorial Flashcards
1
Q
What does CN III lie in close proximity to and what is it vulnerable to here ?
A
Lies in close proximity to the posterior communicating artery and is vulnerable to aneurysms here
2
Q
What is unique about the 4th CN ?
A
Arises from the dorsal aspect of the brainstem (specifically the pons) and then crosses over where it runs upwards and over the petrous temporal bone
3
Q
Where does CN V arise and ?
A
Arises from 3 nuclei in the midbrain and medulla
4
Q
Where does the 6th CN arise ?
A
The pons in the brainstem
5
Q
What does the rectus muscles arise from ?
A
The common tendinous ring
6
Q
Where is the conjunctiva located ?
A
- The inner surface of the eyelids is covered by the palpebral conjunctiva.
- The eyeball is lined by the bulbar conjunctiva.
