Cytoplasmic Matrix ( = cytosol  or Hyaloplasm )

This is the actual protoplasmic  part of the cytoplasm, containing dissolved proteins, electrolytes, glucose, etc. And forming  the jelly like internal milieu of the cell ,It is this fluid whose  complex  chemical composition and physical properties   have been described  in the previous  chapter. It is  usually differentiated into  a thin, but more  rigid  hyaline and homogeneous cortical layer, called ectoplasm, and a central mass  of less  rigid  and granular endoplasm.