plas·​mo·​des·​ma ˌplaz-mə-ˈdez-mə How to pronounce plasmodesma (audio)
variants or less commonly plasmodesm
plural plasmodesmata ˌplaz-mə-ˈdez-mə-tə How to pronounce plasmodesma (audio) or plasmodesmas ˌplaz-mə-ˈdez-məz How to pronounce plasmodesma (audio)
: one of the cytoplasmic strands passing through openings in some plant cell walls and forming connections with adjacent cells

Word History


New Latin plasmodesma, from plasma + Greek desmat-, desma bond, from dein to bind — more at diadem

First Known Use

1905, in the meaning defined above

Time Traveler
The first known use of plasmodesma was in 1905

Dictionary Entries Near plasmodesma

Cite this Entry

“Plasmodesma.” Dictionary, Merriam-Webster, Accessed 13 Apr. 2024.

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