plasmodesma

American  

[plaz-muh-des-muh] / ˌplæz məˈdɛs mə /

noun

Botany.

• plasmodesmata
  plural

1. any of many minute strands of cytoplasm that extend through plant cell walls and connect adjoining cells.

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plasmodesma British  

/ ˌplæzməˈdɛzmə /

noun

1. botany any of various very fine cytoplasmic threads connecting the cytoplasm of adjacent cells via minute holes in the cell walls

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Other Word Forms

Noun Inflected Forms

• plasmodesmata
  plural

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Etymology

Origin of plasmodesma

< German (1901) < Greek plasmo- plasmo- + désma bond, fetter

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Example Sentences

See Examples For:

plasmodesma plasmodesmata

How does the structure of a plasmodesma differ from that of a gap junction?

From Textbooks ● Jun. 9, 2022

Figure 4.28 A plasmodesma is a channel between the cell walls of two adjacent plant cells.

From Textbooks ● Jun. 9, 2022

Gap junctions are found to provide attachment in animal cells and plasmodesmata are essential for attachment of plant cells.

From Textbooks ● Jun. 9, 2022

Be prepared to share these in small group discussions with your classmates about the similarities between these regulatory strategies and the analogous roles of plasmodesmata and gap junctions in cell communication.

From Textbooks ● Jun. 9, 2022

Gap junctions are essential for transportation in animal cells and plasmodesmata are essential for the movement of substances in plant cells.

From Textbooks ● Jun. 9, 2022

Plant cells have a rigid cell wall that is external to the plasma membrane, chloroplasts, plasmodesmata, and plastids used for storage, and a large central vacuole, whereas animal cells do not.

From Textbooks ● Sep. 6, 2018

They produce the compounds lignin and sporopollenin, and form plasmodesmata that connect the cytoplasm of adjacent cells.

From Textbooks ● Jan. 1, 2015

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