end bulb

noun Anatomy.
  1. any of various types of oval or rounded structures occurring at the ends of nerve fibers, ranging from slight enlargements to complex corpuscles that act as sensory receptors for pain, touch, cold, etc.
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end bulb in Medicine

end bulb

n.
  1. One of the oval or rounded bodies in which a sensory nerve fiber terminates.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.