Neuroanatomy · Nervous System · Medium

Sulci

Meaning: The plural of sulcus — the grooves on the surface of the brain separating gyri.

In practice: Widened sulci on CT indicate cortical atrophy as seen in dementia.

Quick check

Two questions on related neuroanatomy words.

Which word means: A ridge on the surface of the brain separated by sulci.

Which word means: A stalk-like bundle of fibres connecting parts of the brain, such as the cerebellum to the brainstem.

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