macrospore


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to macrospore: microspore

macrospore

[′mak·rə‚spȯr]
(botany)
The larger of two spore types produced by heterosporous plants; the female gamete. Also known as megaspore.
(invertebrate zoology)
The larger gamete produced by certain radiolarians; the female gamete.
References in periodicals archive ?
The highly aggregated Redland soil with stable aggregates and a reasonably high proportion of inter-aggregates macrospores allowed rapid percolation of treatment solution into the soil bed and some exchange between added Na ions and Ca and Mg ions present on its exchange sites during the saturation phase of this soil.
Besides colloalginite and sorbocolloalginite, single components of vitrinite, fusinite, as well as fragments of yellowish-orange macrospores are present.
Phillips RE, Quisenberry VL, Zeleznik JM, Dunn GH (1989) Mechanism of water entry into simulated macrospores.