matrix

matrix definition - medical

ma·trix (māˈtrĭks)

noun pl. ma·trix·es or ma·tri·ces (māˈtrĭ-sēzˌ, mătˈrĭ-)
  1. A surrounding substance within which something else originates, develops, or is contained.
  2. The womb.
  3. The formative cells or tissue of a fingernail, toenail, or tooth.
  4. See ground substance.
  5. A specially shaped instrument, plastic material, or metal strip for holding and shaping the material used in filling a tooth cavity.

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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