archesporium


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ar•che•spo•ri•um

(ˌær kəˈspɔr i əm, -ˈspoʊr-)

also ar•che•spore

(ˈɑr kəˌspɔr, -ˌspoʊr)

n., pl. -spo•ri•a (-ˈspɔr i ə, -ˈspoʊr-)
a cell or cell structure in a sporophyte from which spores may later develop during the alternate generation.
[1900–05; see arche-, spore, -ium2]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.archesporium - primitive cell or group of cells from which a mother cell develops
cell - (biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals
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References in periodicals archive ?
texanus, the archesporium differentiates into sporocytes and accompanying nurse cells (Fig.
The hypodermally oriented archesporium is distinguished as one cell.
Sporocytes of the bryopsid mosses produce isolating mucopolysaccharide walls within cell walls of the archesporium. The cellulosic walls subsequently lyse and the sporocytes are released into a common chamber, the so-called spore sac (Fig.