Rhomboid fossa

Last revised by Grace Carpenter ◉ on 2 Aug 2021

Citation, DOI, disclosures and article data

Citation:

Warner R, Carpenter G, Hacking C, Rhomboid fossa. Reference article, Radiopaedia.org (Accessed on 29 Sep 2023) https://doi.org/10.53347/rID-66471

DOI:

https://doi.org/10.53347/rID-66471

Permalink:

https://radiopaedia.org/articles/66471

rID:

66471

Article created:

21 Feb 2019, Roland Warner

Disclosures:

At the time the article was created Roland Warner had no recorded disclosures.

View Roland Warner's current disclosures

Last revised:

2 Aug 2021, Grace Carpenter ◉

Disclosures:

At the time the article was last revised Grace Carpenter had no recorded disclosures.

View Grace Carpenter's current disclosures

Revisions:

7 times, by 3 contributors - see full revision history and disclosures

Systems:

Central Nervous System

Sections:

The rhomboid fossa is the shallow, diamond shaped depression on the dorsal surface of the pons and medulla oblongata thatforms the floor of the fourth ventricle ¹. It is covered by grey matter which is continuous with the spinal cord.

It may be divided into two parts:

superior
- upward triangular in shape
- limited laterally by the cerebellar peduncles and superiorly by the cerebral aqueduct
- base is an imaginary line in between the superior foveae
inferior
- downward triangular in shape
- its tip continuous with the central canal of the spinal cord

References

Related articles: Anatomy: Brain

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Cases and figures

Rhomboid fossa (illustration)Rhomboid fossa (illustration)

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