ground substance

  1. Also called matrix. the homogeneous substance in which the fibers and cells of connective tissue are embedded.

  2. Also called hyaloplasm. the clear portion of the cell cytoplasm; cytosol.

Origin of ground substance

First recorded in 1880–85

Words Nearby ground substance Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use ground substance in a sentence

  • Marriage and the begetting and care of children, is the very ground substance in the life of the community.

    The New Machiavelli | Herbert George Wells
  • The ground-substance is in small amount in connective tissues proper, and is obscured by a mass of fibers.

    A Practical Physiology | Albert F. Blaisdell
  • All these tissues consist of a ground-substance, or matrix, cells, and fibers.

    A Practical Physiology | Albert F. Blaisdell

Scientific definitions for ground substance

ground substance

  1. The intercellular material in which the cells and fibers of connective tissue are embedded, composed largely of glycosaminoglycans, metabolites, water, and ions.

  2. The clear, fluid portion of cytoplasm as distinguished from the organelles and other cell components.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.