Card 10 / 27: Would you expect all portions of the face to be represented equally in this nucleus?
A.)
Yes.
B.)
No.
Answer:
B.) No.
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The lips, tongue, and teeth have a denser innervation and, therefore, a larger area of representation in VPM. This would also be true for the finger region of VPL. Note that VPM (arrow) is located just medial to VPL.
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Ch 06: Head Somatic & Visceral Sensory Systems
Author:
M.D.Stephen VoronLecturer
University of Utah
USA
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