11.4 Flashcards
1
Q
Spinal cords
A
The 31 pairs of nerves within the somatic system that transmit motor, sensory, and autonomic signals between the spinal cord and the rest of the body.
2
Q
Cranial nerves
A
The 12 pairs of nerves within the parasympathetic division of the autonomic system, which emerge directly from the Brian and serve the head, neck, and body trunk.
3
Q
Substantia gelantinosa (SG)
A
A band of grey matter in the spinal cord that, when stimulated, produces a neurotransmitter that communicates with an injured region of the body; a simultaneous signal to the brain results in the perception of pain.
