antheridium

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antheridium

[‚an·thə′rid·ē·əm]
(botany)
The sex organ that produces male gametes in cryptogams.
A minute structure within the pollen grain of seed plants.
References in periodicals archive ?
D: antheridia, with released sperm (arrow), 47 days.
The female bias was clearly shown in terms of higher numbers of perichaetia although greater numbers of antheridia than archegonia occurred within four age classes.
Perigonia outnumbered perichaetia in forests of 15-30 years-since-harvest, as did antheridia compared to archegonia, thus a male bias occurred.
2: Typical morphological characteristics of Phytophthora capsici isolated from infected black pepper root: Chlamysdospore (a); torulose hyphae (b); lemon shape sporangium with long pedicel (c) and globose oogonia with paragynous antheridia (d)
capsici such as globose oogonia with paragynous antheridia, chlamydospore, torulose hyphae and lemon shape of sporangia with long pedicels as described by Mchau and Coffey (1995).
1) induce the release of sperm from antheridia on nearby male gametophytes and subsequently attract the sperm to the eggs (1-4).
The gametophytes were used in sperm-release assays 12 days later, when numerous mature antheridia had been formed.
The development of prothallia and antheridia from the sex organs of Polypodium iridiodes.
The main difference between Callipteris and the other genera of Woodsiaceae was that the antheridia dehiscence of Callipteris, occurs by an opercular cell and whereas some of Diplazium and other Woodsiaceae antheridia dehiscence occurs by a lateral or apical pore.