archespore


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archespore

(ˈɑːkɪˌspɔː) or

archesporium

n, pl -spores or -sporia (-ˈspɔːrɪə)
(Botany) botany the cell or group of cells in a sporangium that gives rise to spores
ˌarcheˈsporial adj
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Noun1.archespore - 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 ?
The archespore, which is directly under the nucellar epidermis, develops into the megaspore mother cell.
The archespore, usually a single cell, arises from within the nucellus.
Prior to formation of the archespore, the ovule primordium is organised into either two or three distinct zones defined by orientation of cell division, as in the vegetative shoot apex (Bouman, 1984).