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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
ANT: antheridia; ANZ: antherozoids; CAP I: primary capitular cells; CAP II: secondary capitular cells; CES: shield cells; CL: chloroplasts; FAN: antheridial filaments; FLA: flagella; GLO: plastoglobules; INT: internodes; MAN: manubria; NOD; nodes; NUC: nucleo; POL: pore of release; TI: thylakoids.
Antheridial filaments with spermatocytes inside (highlighted in the image).