The ventral horn of the spinal cord is involved in the conscious movement. It receives input from the cerebral cortex and lower brainstem to control muscle tone and posture. The ventral horn originates from three transverse processes on the dorsal surface of the spinal cord. The dorsal horn, which controls unconscious movements such as breathing, swallowing, etc., arises from a series of median processes that run along each side of these transverse processes (from below upward).
The ventral spinal cord has a considerable number of midline interneurons.
The ventral spinal cord has a considerable number of midline interneurons. These are located in the ventral horn and they appear to be involved in proprioception (the sense of position) and reflexes.
The ventral horn arises from three transverse processes on the dorsal surface of the spinal cord.
The ventral horn arises from three transverse processes on the dorsal surface of the spinal cord.
The ventral horn is responsible for voluntary movement, while the LMN is responsible for involuntary movements such as blinking and sneezing. UMN lesions result in paralysis of muscles that move your limbs and trunk, whereas LMN lesions can cause muscle wasting due to the atrophy of motor neurons (the nerve cells that control movement).
The dorsal horn is involved in conscious movement
The dorsal horn is a part of the central nervous system. It has projections to all parts of the body and receives sensory information from various sources, including:
- pain sensation
- muscle contraction
It also sends signals back to other parts of your body that control conscious movement.
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