protoplast

https://doi.org/10.1351/goldbook.P04917
A spherical, osmotically-sensitive cell without its cell wall but retaining an intact cell @MT06878@. Protoplasts are used to create hybrid cells via protoplast @F02563@.
Source:
PAC, 1992, 64, 143. (Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)) on page 164 [Terms] [Paper]