block

block definition - medical

block (blŏk)

noun
  1. Interruption, especially obstruction, of a normal physiological function.
  2. Interruption, complete or partial, permanent or temporary, of the passage of a nervous impulse.
  3. Atrioventricular block.
  4. Sudden cessation of speech or a thought process without an immediate observable cause, sometimes considered a consequence of repression.
verb
To arrest passage through; obstruct.

Related Forms:

  • blockˈage (blŏkˈĭj) noun

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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