Definition of plasmodesma in English:


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

noun (plural plasmodesmata /-mətə/)

  • A narrow thread of cytoplasm that passes through the cell walls of adjacent plant cells and allows communication between them.
    More 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'.

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