organellia
Organellia is a term encountered in some educational and speculative discussions to denote specialized subcellular domains or micro-compartments within a cell that coordinate particular biochemical processes. It is not part of the formal nomenclature of cell biology, and there is no widely accepted definition or consensus on its exact meaning.
In standard biology, cells organize their functions within membrane-bound organelles such as the nucleus, mitochondria, endoplasmic
Usage of the term is limited and not standardized; many sources treat it as a thought experiment
See also: organelle; subcellular compartments; membrane contact site; synthetic biology.