nid: 58748
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Corticospinal Tract. The major descending tract that controls skeletal muscle movements is the corticospinal tract. It is composed of two neurons, the upper motor neuron and the lower motor neuron. The upper motor neuron has its cell body in the primary motor cortex of the frontal lobe and synapses on the lower motor neuron, which is in the ventral horn of the spinal cord and projects to the skeletal muscle in the periphery. English labels. From OpenStax book 'Anatomy and Physiology', fig. 14.28.
Anatomical structures in item:
Uploaded by: Jorn IJkhout
Netherlands, Leiden – Leiden University Medical Center, Leiden University
Encephalon
Gyrus precentralis
Pedunculus cerebri
Mesencephalon
Medulla oblongata
Tractus corticospinalis anterior
Tractus corticospinalis lateralis
Decussatio pyramidum
Medulla spinalis
Creator(s)/credit: OpenStax
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"OpenStax AnatPhys fig.14.28 - Corticospinal Pathway - English labels" at AnatomyTOOL.org by OpenStax, license: Creative Commons Attribution. Source: book 'Anatomy and Physiology', https://openstax.org/details/books/anatomy-and-physiology.
"OpenStax AnatPhys fig.14.28 - Corticospinal Pathway - English labels" by OpenStax, license: CC BY. Source: book 'Anatomy and Physiology', https://openstax.org/details/books/anatomy-and-physiology.
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