Definition of protoplast in English:
protoplast
noun ˈprəʊtə(ʊ)plastˈprəʊtə(ʊ)plɑːstˈproʊdəˌplæst
Botany The protoplasm of a living plant or bacterial cell whose cell wall has been removed.
Example sentencesExamples
- The hydrostatic pressure model proposes that statocytes detect the total weight exerted by the protoplast on its cell wall.
- A single cell culture, based on protoplasts that were isolated from the leaf mesophyll of tobacco, was used.
- One stage at which the process may break down is the regeneration of plants from the fused protoplasts.
- Fibres are often described as cells having no living protoplasts at maturity.
- In this plasmolysed cell the protoplast has suffered very intense shrinkage.
Origin
Late 19th century: from Greek prōtoplastos 'first formed', from prōtos 'first' + plassein 'to mould'.
Definition of protoplast in US English:
protoplast
nounˈproʊdəˌplæstˈprōdəˌplast
Botany The protoplasm of a living plant or bacterial cell whose cell wall has been removed.
Example sentencesExamples
- Fibres are often described as cells having no living protoplasts at maturity.
- In this plasmolysed cell the protoplast has suffered very intense shrinkage.
- The hydrostatic pressure model proposes that statocytes detect the total weight exerted by the protoplast on its cell wall.
- One stage at which the process may break down is the regeneration of plants from the fused protoplasts.
- A single cell culture, based on protoplasts that were isolated from the leaf mesophyll of tobacco, was used.
Origin
Late 19th century: from Greek prōtoplastos ‘first formed’, from prōtos ‘first’ + plassein ‘to mold’.