Putamen
Last revised by Craig Hacking on 27 Dec 2021
Citation, DOI, disclosures and article data
Citation:
Jones J, Hacking C, Weerakkody Y, et al. Putamen. Reference article, Radiopaedia.org (Accessed on 10 Oct 2024) https://doi.org/10.53347/rID-5818
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rID:
5818
Article created:
23 Mar 2009,
Jeremy Jones ◉
Disclosures:
At the time the article was created Jeremy Jones had no recorded disclosures.
View Jeremy Jones's current disclosures
Last revised:
27 Dec 2021,
Craig Hacking ◉
Disclosures:
At the time the article was last revised Craig Hacking had no recorded disclosures.
View Craig Hacking's current disclosures
Revisions:
7 times, by
5 contributors -
see full revision history and disclosures
Systems:
Sections:
Synonyms:
- Putamina
The putamen (plural: putamina) is a paired structure and one of the nuclei that make up the basal ganglia. Together with the caudate nucleus, it may be referred to as the corpus striatum.
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Gross anatomy
The putamen is a round structure situated at the base of the forebrain and is the most lateral of the basal ganglia nuclei on axial section. Medially to it lies the globus pallidus and laterally, the external capsule. The putamen and globus pallidus are collectively referred to as the lentiform nucleus owing to their lens-like shape.
Through various pathways, the putamen is connected to the substantia nigra and globus pallidus. The main function of the putamen is to regulate movements and influence various types of learning. It employs dopamine to perform its functions. The putamen also plays a role in degenerative neurological disorders, such as Parkinson disease.
Related pathology
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Quiz questions
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References
- 1. Standring S (editor). Gray's Anatomy (39th edition). Churchill Livingstone. (2011) ISBN:0443066841. Read it at Google Books - Find it at Amazon
- 2. Ross LMMP. Atlas of anatomy. George Thieme Verlag. (2007) ISBN:3131421215. Read it at Google Books - Find it at Amazon
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Cases:
- Medial medullary lamina
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- Methanol poisoning - chronic putaminal necrosis
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- Methanol poisoning
- Corpus striatum (Gray's illustration)
- Hypomyelination with atrophy of the basal ganglia and cerebellum (H-ABC)
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- Multiple system atrophy (MSA-P)
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