Definition of plasmodesma in English:

Share this entry


Pronunciation: /ˌplazmə(ʊ)ˈdɛzmə/

noun (plural plasmodesmata /ˌplazmətə(ʊ)ˈdɛzmə/)

A narrow thread of cytoplasm that passes through the cell walls of adjacent plant cells and allows communication between them.
Example sentences
  • The unstained region around the periphery of most cells was almost certainly an artefact of plasmolysis, indicated by occasional contact points between plasmalemma and cell wall plasmodesmata.
  • Plant learning increases vasculature and increased communication between cells through plasmodesmata.
  • Hence, stromules may possibly be considered as organellar analogues of plasmodesmata, the cytoplasmic connections that join plant cells in many tissues.


Early 20th century: from German Plasmodesma, from late Latin plasma 'mould, formation' + Greek desma 'bond, fetter'.

For editors and proofreaders

Line breaks: plasmo|desma

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.