Neuroanatomy · Nervous System · Medium

Pyramidal

Meaning: Describing the large triangular cortical neurons and the main voluntary motor tracts that descend through the medulla.

In practice: Spasticity and brisk reflexes in the arm suggested a pyramidal pattern of weakness.

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Two questions on related neuroanatomy words.

Which word means: Describing the potential space between the tough outermost membrane covering the brain and the web-like arachnoid layer.

Which word means: The rear part of the central nervous system inside the skull, comprising the pons, medulla and cerebellum.

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