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Definition of Ground substance
1. Noun. The body substance in which tissue cells are embedded.
Exact synonyms: Intercellular Substance, Matrix
Generic synonyms: Body Substance
Group relationships: Bone, Os, Connective Tissue, Cartilage, Gristle
Generic synonyms: Body Substance
Group relationships: Bone, Os, Connective Tissue, Cartilage, Gristle
2. Noun. The clear nongranular portion of the cytoplasm of a cell.
Medical Definition of Ground substance
1. The amorphous material in which structural elements occur; in connective tissue, it is composed of proteoglycans, plasma constituents, metabolites, water, and ions present between cells and fibres. Synonym: substantia fundamentalis. (05 Mar 2000)