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Peripheral Nervous System
The network of nerves outside the brain and spinal cord that transmits sensory information and controls muscle movement. It includes the brachial plexus, which specifically innervates the neck, shoulders, and front limbs.
Key Facts
- In dogs and cats, it includes the brachial plexus which originates from the cervical spinal cord.
- Nerves in this system convey motor signals to muscles and sensory information back to the brain.
- The brachial plexus specifically crosses in the armpit to innervate the neck, shoulders, and front limbs.
- Damage to these nerves disrupts both voluntary movement and pain perception in the affected area.