The brain stem and cranial nerves Flashcards
1
Q
What are the main features of the brain stem?
A
The midbrain
The mammillary bodies
The pons
The medulla oblongata
2
Q
What important cavity lies posteriorly to the brainstem?
A
The 4th ventricle
3
Q
What is the floor of the fourth ventricle made of?
A
Both medulla and pons
4
Q
What is the roof of the fourth ventricle made of?
A
The cerebellum
5
Q
What does an open or closed medulla refer to?
A
How the central canal remains throughout the nervous system
6
Q
How can we have a closed medulla?
A
The central canal of spinal cord extends through the coral aspect of the medulla
