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 (plăz′mə-dĕz′mə) also plas·mo·desm (plăz′mə-dĕz′əm)
n. pl. plas·mo·des·ma·ta (-mə-tə) or plas·mo·des·mas also plas·mo·desms
A strand of cytoplasm that passes through openings in cell walls and connects the protoplasts of adjacent living plant cells.

[plasmo- + Greek desma, bond (from dein, to bind).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌplæzməˈdɛzmə) or


n, pl -desmata (-ˈdɛzmətə) or -desms
(Botany) botany any of various very fine cytoplasmic threads connecting the cytoplasm of adjacent cells via minute holes in the cell walls
[C20: from plasmo- + Greek desma bond]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌplæz məˈdɛs mə)

n., pl. -ma•ta (-mə tə)
any of many minute strands of cytoplasm that extend through plant cell walls and connect adjoining cells.
[< German (1901) < Greek plasmo- plasmo- + désma bond, fetter]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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These connections occur in spots in the wall called primary pit fields, and each strand is called a plasmodesma. Although too small for the interchange of larger organelles, cytoplasmic connections apparently allow for the transfer of chemicals from one cell to another.
plasmodesma (pl., plasmodesmata): Cellular microbody containing enzymes involved with photorespiration and photosynthesis.