| 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 n.
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. Also called matrix.
See hyaloplasm.
hyaloplasm hy·a·lo·plasm (hī'ə-lō-plāz'əm)
n.
The clear, fluid portion of cytoplasm as distinguished from the granular and netlike components. Also called ground substance.
ground substance
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