dendritic spine


Any of various outgrowths of certain nerve-cell dendrites, ranging in shape from small knobs to thornlike or filamentous processes, that are preferential sites of synaptic axodendritic contact.

Nearby words

  1. dyssynergia,
  2. dyssynergia cerebellaris myoclonica,
  3. dyssynergia cerebellaris progressiva,
  4. dystaxia,
  5. dysteleology,
  6. dysthymic disorder,
  7. dystocia,
  8. dystonia,
  9. dystonia musculorum deformans,
  10. dystonic

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.