Definition of tonoplast in English:

Share this entry

tonoplast

Pronunciation: /ˈtänəˌplast/ Pronunciation: /ˈtō-/

noun

Botany
A membrane that bounds the chief vacuole of a plant cell.
Example sentences
  • However, these cells had a continuous layer of smooth plasma membrane, and central vacuoles had distinct tonoplasts.
  • 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.

Origin

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

For editors and proofreaders

Syllabification: ton·o·plast

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.