plasma = a thing formed; central, more fluid part of cytoplasm.

Inner portion of the cytoplasm of a cell.

in radiolarians, the inner cytoplasmic region inside the cytoplasmic capsule, a fibrous partition of the cytoplasm. This intracapsular endoplasm usually contains the major cytoplasmic organelles, nuclei and Golgi apparatus. Opposite of ectoplasm.

The protoplasm in the interior of a cell.