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plasmodesma Line breaks: plasmo|desma
Pronunciation: /ˌplazmə(ʊ)ˈdɛzmə/

Definition of plasmodesma in English:

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'.

Definition of plasmodesma in:

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