intracellular part
intracellular organelle
GO:0043229
Planarian_Anatomy
https://orcid.org/0000-0003-2569-1939 | https://orcid.org/0000-0002-7535-4647
Organized structure of distinctive morphology and function, occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton. Excludes the plasma membrane.