Organoid vs. Spheroid
The terms spheroid and organoid are often used interchangeably. Both cell models are 3D multi-cellular structures that better mimic the in vivo environment as compared to their 2D cell counterparts. Organoids typically consist of a co-culture of cells which demonstrate a higher order of self-assembly to allow for an even better representation of complex in vivo cell responses and interactions. In contrast, spheroids have a more simplified 3D structure making them amenable to high reproducibility and scaling. Functionally, both model types are used as better in vitro models for capturing more physiologically relevant data.