noun
- A unit of protoplasm consisting of a nucleus and the cytoplasm surrounding it.
Usage: biology; technical
Examples
- The energid is the fundamental structural unit of living cells.
- In plant cells, each energid contains a nucleus and its associated cytoplasm.
- The concept of the energid helps explain how cells organize their protoplasm.
- Biologists use the term energid to describe the nucleus-cytoplasm relationship.