tonoplast

Noun

Meaning

tonoplast (plural tonoplasts)

(cytology) The cytoplasmic membrane surrounding a vacuole, separating the vacuolar contents from the cell's cytoplasm

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A vacuole is surrounded by a membrane called the tonoplast (word origin: Gk tón(os) + -o-, meaning “stretching”, “tension”, “tone” + comb. form repr. Source: Internet

In plant cells, vacuoles cover anywhere from 30% to 90% of the total cell volume. citation Most mature plant cells contain one large central vacuole encompassed by a membrane called the tonoplast. Source: Internet

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