3rd Ventricle Flashcards
1
Q
Definition
A
Diencephalon cavity
2
Q
Site
A
Lying between both thalami
3
Q
Communications: in front
A
With lateral ventricles through interventricular foramina
4
Q
Communications: behind
A
With midbrain aqueduct
5
Q
Boundaries
A
- Roof
- Floor
- Anterior wall
- Posterior wall
- Lateral wall
6
Q
Roof contents
A
Ependyma: invaginated by 3rd ventricle choroid plexus
7
Q
Roof relations: superior
A
- Transverse cerebral fissure ->
- contains tela choroidea ->
- which contains posterior choroidal artery and internal cerebral vein
8
Q
Roof relations: more superior
A
- Fornix body
- Lateral ventricle body
- Septum pellucidum
- Corpus callosum body
9
Q
Floor relations: front
A
Hypothalamus:
1. Optic chiasma
2. Infundibulum
3. Tuber cinereum
4. Mammillary bodies
5. Posterior perforated substance
10
Q
Floor relations: behind
A
Subthalamus
11
Q
Anterior wall contents
A
- Lamina terminalis
- Anterior commissure
- Fornix column
12
Q
Lateral wall contents
A
- Thalamus
- Hypothalamus
- Hypothalamic sulcus
13
Q
Posterior wall
A
Upper opening of midbrain aqueduct
14
Q
Posterior wall posterior commissure site
A
Pineal body stalk lower limb
15
Q
Posterior wall pineal body
A
Invaginates by pineal recess
