sulcus

sulcus definition - medical

sul·cus (sŭlˈkəs)

noun pl. sul·ci (-kī, -sī)
  1. Any of the grooves on the brain surface, bounding the gyri; a fissure.
  2. A long narrow groove or depression, as in an organ or a tissue.

Related Forms:

  • sulˈcal adjective

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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