Also found in: Medical.
An inclusion body in a neuron consisting of a disorderly collection of tau protein filaments.
[After Arnold Pick (1851-1924), Moravian-born Austrian psychiatrist and neurologist.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.