Ch 15.2 Meninges and Ventricles Flashcards
1
Q
Limbic system summary
A
- Cerebral and diencephalic structures that form a ring around the diencephalon
- Process and experience emotions
- Memory formation - integration of past memories of physical sensations with emotional states
2
Q
Limbic system componets
A
Hippocampus
Fornix
amygdaloid body
3
Q
hippocampus
A
- Essential in consolidating long term memories
4
Q
- Fornix
A
- Thin tract of white for connection
5
Q
- Amygdaloid body
A
- Involved in emotion, especially fear
6
Q
Cranial Meninges & ventricles function
A
- Support and protections of the brain
- Bony cranium
- PROTECTIVE CONNECTIVE TISSUE (MENINGES)
- Cerebral fluid (CSF)
- Blood-brain barrier
7
Q
Layers of cranial meninges
A
dura matter
arachnoid matter
Pia matter
8
Q
dura matter
A
- Most superficial
- Periosteal and meningeal
9
Q
arachnoid matter
A
- Subarachnoid space
- 2nd layer
10
Q
pia matter
A
- Cerebral cortex
- Bottom layer
11
Q
Ventricles of the brain
A
lateral
third
fourth
12
Q
lateral ventricles
A
- Top ventricles look like testes
13
Q
- Third ventricle
A
- middle of head below lateral ventricles
14
Q
- Fourth ventricle
A
- At cerebellum area
15
Q
Ventricles and cerebrospinal fluid flow
A
- Lateral ventricles (2) -> Interventricular foramina (2) -> 3rd ventricle -> cerebral aqueduct -> 4th ventricle -> central canal
