Questions and Answers
Which structure forms the superior lateral border of the fourth ventricle?
What forms the inferior border in the lateral boundary of the fourth ventricle?
What connects the two superior cerebellar peduncles in the roof of the fourth ventricle?
Which structure is in the middle part of the roof of the fourth ventricle?
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Which structure forms the inferior part of the roof of the fourth ventricle?
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What shape is the choroid plexus of the 4th ventricle?
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Which structure is the choroid plexus of the 4th ventricle attached to?
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Where does the horizontal part of the choroid plexus of the 4th ventricle extend into?
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How is the choroid plexus of the 4th ventricle supplied?
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Through which foramina does the horizontal part of the choroid plexus extend?
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Study Notes
Fourth Ventricle
Lateral Border
- Superiorly bounded by the superior cerebellar peduncle
- Inferiorly bounded by the inferior cerebellar peduncle and Gracile and Cuneate tubercles
- Forms lateral recesses in the middle
Roof (Posterior Wall)
- Superiorly bounded by superior medullary velum connecting the two superior cerebellar peduncles
- Inferiorly bounded by inferior medullary velum connecting the two inferior cerebellar peduncles
- Located in the middle part of the cerebellum
Choroid Plexus of 4th Ventricle
- T-shaped plexus attached to the inferior medullary velum
- Horizontal part extends into lateral recesses of each ventricle through foramina of Luschka
- Supplied by the posterior inferior cerebellar arteries
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Description
This quiz covers the boundaries and roof of the fourth ventricle, including its lateral border and posterior wall. Learn about the superior and inferior cerebellar peduncles, gracile and cuneate tubercles, and medullary velum.
