Question

Voluntary motor impulses leave the spinal cord via the _________ of gray matter. posterior column anterior column lateral horn anterior horn posterior horn

Answer 1

Voluntary motor impulses leave the spinal cord via the anterior horn of gray matter.

What do we know about anterior horn?

Alpha motor neuron cell bodies are found in the anterior horn, one of the divisions of the spinal cord's grey matter that innervates skeletal muscle to produce movement. Additionally, the anterior horn houses gamma motor neurons, which control muscle spindle sensitivity, as well as other neurons engaged in local circuits. The forward-facing anterior grey column is wide and has a rounded or quadrangular form. The base and head of the object are its rear and anterior halves, respectively, although there is no clear distinction between them. The bundles of the anterior nerve roots cross this layer of white material, which separates it from the medulla spinalis' surface. The postero-lateral portion of the anterior column in the thoracic region, also known as the lateral grey column, extends laterally as a triangular field.

To learn more about spinal chord:

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