Basal ganglia

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The basal ganglia (singular: ganglion) are a group of grey matter nuclei in the deep aspects of the brain that is interconnected with the cerebral cortex, thalami and brainstem.

In a strict anatomical sense, it contains three paired nuclei that together comprise the corpus striatum:

Functionally, two additional nuclei are also part of the basal ganglia:

Radiographic features

The basal ganglia are normally isodense/isointense to the cortex. Because the globus pallidus has more myelin content compared with the putamen, it usually appears slightly more hypointense on T2WI, GRE, and SWI images. Age-related calcium deposition in the globus pallidus initially results in increased T1 signal intensity and subsequently, when calcification exceeds 40%, signal loss in all sequences. Ageing with consequent iron deposition in the putamen results in a gradual decrease of T2/T2*/SWI signal intensity in the putamen. This is more pronounced in the 8^th or 9^th decade of life.

Related pathology

-The basal ganglia are a group of <a href="/articles/grey-matter">grey matter</a> nuclei in the deep aspects of the <a href="/articles/brain">brain</a> that is interconnected with the <a href="/articles/cerebral-cortex">cerebral cortex</a>, <a href="/articles/thalamus">thalami</a> and <a href="/articles/brainstem">brainstem</a>.In a strict anatomical sense, it contains three paired nuclei that together comprise the <a href="/articles/corpus-striatum">corpus striatum</a>:<ul>
+The basal ganglia (singular: ganglion) are a group of <a href="/articles/grey-matter">grey matter</a> nuclei in the deep aspects of the <a href="/articles/brain">brain</a> that is interconnected with the <a href="/articles/cerebral-cortex">cerebral cortex</a>, <a href="/articles/thalamus">thalami</a> and <a href="/articles/brainstem">brainstem</a>.In a strict anatomical sense, it contains three paired nuclei that together comprise the <a href="/articles/corpus-striatum">corpus striatum</a>:<ul>

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Basal ganglia

Updates to Article Attributes

Radiographic features

Related pathology

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