Definition of tonoplast in English:

tonoplast

nounˈtəʊnə(ʊ)plɑːstˈtəʊnə(ʊ)plastˈtō-

Botany

A membrane which bounds the chief vacuole of a plant cell.
Example sentencesExamples
- Aquaporins mediate the bidirectional passage of water over membranes and are present in tonoplasts and in plasma membranes of plant cells.
- MIPs are abundant proteins localized to the plasma membrane, the tonoplast, or other endomembranes of plant cells.
- The tonoplast of K. daigremontiana mesophyll cells exhibits circadian behaviour of malate retention under constant darkness.
- The black material at the left edge of the micrograph is vacuolar tannin lining the tonoplast.
- However, these cells had a continuous layer of smooth plasma membrane, and central vacuoles had distinct tonoplasts.

Origin

Late 19th century: from Greek tonos 'tension, tone' + plastos 'formed'.

Definition of tonoplast in US English:

tonoplast

nounˈtō-

Botany

A membrane which bounds the chief vacuole of a plant cell.
Example sentencesExamples
- The tonoplast of K. daigremontiana mesophyll cells exhibits circadian behaviour of malate retention under constant darkness.
- However, these cells had a continuous layer of smooth plasma membrane, and central vacuoles had distinct tonoplasts.
- The black material at the left edge of the micrograph is vacuolar tannin lining the tonoplast.
- MIPs are abundant proteins localized to the plasma membrane, the tonoplast, or other endomembranes of plant cells.
- Aquaporins mediate the bidirectional passage of water over membranes and are present in tonoplasts and in plasma membranes of plant cells.

Origin

Late 19th century: from Greek tonos ‘tension, tone’ + plastos ‘formed’.

单词	tonoplast
释义	Definition of tonoplast in English: tonoplast nounˈtəʊnə(ʊ)plɑːstˈtəʊnə(ʊ)plastˈtō- Botany A membrane which bounds the chief vacuole of a plant cell. Example sentencesExamples Aquaporins mediate the bidirectional passage of water over membranes and are present in tonoplasts and in plasma membranes of plant cells. MIPs are abundant proteins localized to the plasma membrane, the tonoplast, or other endomembranes of plant cells. The tonoplast of K. daigremontiana mesophyll cells exhibits circadian behaviour of malate retention under constant darkness. The black material at the left edge of the micrograph is vacuolar tannin lining the tonoplast. However, these cells had a continuous layer of smooth plasma membrane, and central vacuoles had distinct tonoplasts. Origin Late 19th century: from Greek tonos 'tension, tone' + plastos 'formed'. Definition of tonoplast in US English: tonoplast nounˈtō- Botany A membrane which bounds the chief vacuole of a plant cell. Example sentencesExamples The tonoplast of K. daigremontiana mesophyll cells exhibits circadian behaviour of malate retention under constant darkness. However, these cells had a continuous layer of smooth plasma membrane, and central vacuoles had distinct tonoplasts. The black material at the left edge of the micrograph is vacuolar tannin lining the tonoplast. MIPs are abundant proteins localized to the plasma membrane, the tonoplast, or other endomembranes of plant cells. Aquaporins mediate the bidirectional passage of water over membranes and are present in tonoplasts and in plasma membranes of plant cells. Origin Late 19th century: from Greek tonos ‘tension, tone’ + plastos ‘formed’.
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