Any of the unmyelinated fibers, 0.4 to 1.2 micrometers in diameter, conducting nerve impulses at a velocity of 0.7 to 2.3 meters per second.
TAKE ROUND 2 OF OUR PSAT VOCABULARY QUIZ!
Here is our second set of teacher-selected PSAT vocabulary words. Do you know the meanings of these terms?
Question 1 of 10
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.