Protoplasm (noun)

The living substance of a cell, including the cytoplasm and the nucleus.

Origin:

Mid 19th century: from german protoplasma, from greek prōtos "first" + plasma "something formed or created".

Examples:

1. The scientists were studying the protoplasm of the cells to understand the processes that occurred within them.
2. The protoplasm of the plant cells was seen to be thick and green due to the presence of chlorophyll.
3. He was fascinated by the study of protoplasm and spent most of his career researching the properties of the living substance of cells.
4. The protoplasm in animal cells is much more fluid than the protoplasm in plant cells.
5. The microscope revealed that the protoplasm of the cells was in constant motion due to the activity of the organelles.