ground substance

noun Biology.
  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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ground substance

Historical Examples of ground substance

  • All these tissues consist of a ground-substance, or matrix, cells, and fibers.

    A Practical Physiology

    Albert F. Blaisdell

  • 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


ground substance in Medicine

ground substance

n.
  1. The amorphous intercellular material in which the cells and fibers of connective tissue are embedded, composed of proteoglycans, plasma constituents, metabolites, water, and ions present between cells and fibers.matrix
  2. hyaloplasm
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

ground substance in Science

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.