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ground substance

American  

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.


ground substance Scientific  
  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.


Etymology

Origin of ground substance

First recorded in 1880–85

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Both tissues have a variety of cell types and protein fibers suspended in a viscous ground substance.

From Textbooks Jun. 19, 2013

Connective tissues come in a vast variety of forms, yet they typically have in common three characteristic components: cells, large amounts of amorphous ground substance, and protein fibers.

From Textbooks Jun. 19, 2013

All of these fiber types are embedded in ground substance.

From Textbooks Jun. 19, 2013

Spinal discs, cushionlike pads that separate the vertebrae, are composed of tough, cartilaginous fibers and filled with water and a protein called "ground substance."

From Time Magazine Archive

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

From The New Machiavelli by Wells, H. G. (Herbert George)

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