Neuroanatomy · Nervous System · Medium

Corticospinal

Meaning: Describing the main descending motor pathway carrying voluntary movement signals from the brain's motor strip down to the cord.

In practice: Hyperreflexia and an upgoing plantar response pointed to a corticospinal tract lesion.

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Two questions on related neuroanatomy words.

Which word means: An area of skin supplied by sensory fibres from a single spinal nerve root.

Which word means: Describing the net-like core of neurons running through the brainstem that controls arousal and consciousness.

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