Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A strand of cytoplasm that passes through openings in cell walls and connects the protoplasts of adjacent living plant cells.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biology A microscopic channel traversing the cell walls of plant cells and some algal cells, enabling transport and communication between them.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[plasmo– + Greek desma, bond (from dein, to bind).]

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