ground substance
Americannoun
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Also called matrix. the homogeneous substance in which the fibers and cells of connective tissue are embedded.
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Also called hyaloplasm. the clear portion of the cell cytoplasm; cytosol.
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The intercellular material in which the cells and fibers of connective tissue are embedded, composed largely of glycosaminoglycans, metabolites, water, and ions.
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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.
Bone matrix consists of collagen fibers and organic ground substance, primarily hydroxyapatite formed from calcium salts.
From Textbooks • Jun. 19, 2013
The proteoglycan attracts and traps available moisture forming the clear, viscous, colorless matrix you now know as ground substance.
From Textbooks • Jun. 19, 2013
The major component of the matrix is a ground substance often crisscrossed by protein fibers.
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
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GELATIN, or Gelatine, the substance which passes into solution when “collagen,” the ground substance of bone, cartilage and white fibrous tissue, is treated with boiling water 555 or dilute acids.
From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.