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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).]


(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]


(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]
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References in periodicals archive ?
astaxanthin), which color the algal thallus yellow, orange, or red; the absence of a pyrenoid in the chloroplasts; unique flagellar apparatus; and transverse cell walls with plasmodesmata.
Plasmodesmata are not detected between the basal cell and the neighboring epidermal cells; however, numerous plasmodesmata occur in the common walls between the basal and mesophyll cells in Spartina foliosa Trin.
Plants use silencing small (s)RNA to control physiological and defensive processes at both the cellular and organismal levels by trafficking sRNAs from cell-to-cell through plasmodesmata and over long distances through the phloem.
A number of specialized cells act to efficiently redirect solutes from the host's vascular tissues, including transfer cells that absorb solutes from the host sieve tubes (Gunning and Pate, 1969) and searching hyphae that connect host plasmodesmata (Birschwilks et al.
At this stage, there are well-developed plasmodesmata beteen the archegonial cells and the somatic cells (Fig.
Two different ways of the small-distance motion of the fluids are present in plants, namely direct intracellular transport through the plasmodesmata (thin channels between the cytoplasmic volumes of the adjacent cells with diameters [d.
Pit membranes of Abies are traversed by secondary plasmodesmata.
Plasmodesmata are unique to plants and form an intercellular continuum for the transport of solutes, signals, and ribonucleoprotein complexes.
Objective: The symplastic route composed of plasmodesmata (PD) channels and the transporting phloem tissue (rich in PD) is the major pathway for carbon allocation in plants.
Plasmodesmata connect the egg and the ventral canal cell, but are absent between the egg and the jacket cells.