Lecture 19: Support and Protection of the Nervous System Flashcards
1
Q
The dorsal white columns are part of:
A
- The sensory system
2
Q
Spinal nerves contain ____linated axons.
A
- Myelinated and Unmyelinated axons
3
Q
Support is provided by the ______ skeleton.
A
- Axial
4
Q
The cranium is composed of __ bones. __ are visible, and __ isn’t.
A
- 8
- 7
- 1
5
Q
The cranium is composed of what bones?
A
- Frontal (1)
- Parietal (2)
- Occipital (1)
- Temporal (2)
- Sphenoid (1) butterfly
6
Q
Bones of the cranium have joints between them called _____.
A
- Sutures
7
Q
What’s the suture between the frontal and parietal bone?
A
- Coronal Suture
Lambdoid
8
Q
Gaps between sutures (children) are called ____.
A
- Fontanelles
9
Q
What’s the suture between the parietal bones?
A
- Sagittal suture
10
Q
What’s the suture between the parietal bone and occipital bone?
A
- Lambdoid suture
11
Q
The facial bones are composed of:
A
- Zygomatic (2)
- Maxillary (2)
- Mandible (1)
- Nasal (1)
12
Q
Meninges act as….
A
- A protective covering for the brain
13
Q
The three layers of the meninges are the…
A
- Duramater
- Piamater
14
Q
What’re some features of the dura mater?
A
- Outermost layer of the meninges
- Dense and fibrous (tough)
- Two layers
- Inner layers form dural reflection
15
Q
What’re the three different dural reflections?
A
- Falx cerebri (separates two cerebral hemispheres)
- Falx cerebelli (separates two cerebellum hemispheres)
- Tentorium cerebelli (seperates cerebrum and cerebellum)
