ground substance n a more or less homogeneous matrix that forms the background in which the specific differentiated elements of a system are suspended:
a) the intercellular substance of tissues
b) CYTOSOL
* * *
the matrix of connective tissue, in which various cells and fibres are embedded.
* * *
the amorphous gel-like material in which connective tissue cells and fibers are embedded.Medical dictionary. 2011.