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minute grains, usually yellow in color but occasionally white, brown, red, or purple, borne in the anther sac at the tip of the slender filament of the stamen of a flowering plant or in the male cone of a conifer.
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-bearing structure of the stamen of a flower, usually borne on a slender stalk called the filament. Each anther generally consists of two pollen sacs, which open when the pollen is mature. The method of opening, or dehiscence, is uniform in any single species of plant.
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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



the principal part of the stamen. The anther consists of symmetrical halves, each of which has one or two pollen sacs. The two halves are united by the continuation of the anther filament. The pollen sacs of angiosperms are homologous to the microsporangia of Pteridophyta and gymnosperms; the anther itself is homologous to the synangium. Microspores develop in the pollen sacs; pollen grains form from the sacs. After the opening of the anther, the pollen grains leave through two vertical slits. The grains may fall onto the stigma of the pistil, where development continues.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


The pollen-producing structure of a flower.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


the terminal part of a stamen consisting usually of two lobes each containing two sacs in which the pollen matures
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
On one hand, this could be attributed to the fact that much more ESTs from libraries made with anthers were used in the analysis, which had limitation of development stage and tissue-type coverage; on the other hand, it was probably due to the specific structure of pollen grains whose formation requires expression of a specific set of genes or gene network that made the related genes easily recognized through the differential analysis.
Visitor species of this category, during their visits, neither encounter the anthers nor the stigma.
Sibi et al (1979) reported that cold (4[degrees]C) pretreatment for 48h applied to flower buds enhanced embryogenesis and 1-3 plants per 100 anthers were obtained (Sibi et al.
The pollen bees, belonging to family Halictidae (Hoplonomia westwoodi, Patellapis kaluterae, and Pachynomia sp.) and family Apidae (Amegilla comberi and Xylocopa tenuiscapa), buzzed at the anthers of S.
The anther wall was usually comprised of five cell layers before maturation; i.e., single epidermis, endothecium, two middle layers, and the glandular tapetum.
Petals were removed aseptically and anthers were carefully excised with forceps and placed on MS (Murashige and Skoog 1962) media modified with different auxins and cytokinin either alone or in combination for androgenesis called as MSA media (Table 1).
Notably, there is not enough information about anther structure and male gametophyte developmental stages of Azalea alexander L..
Anther morphology was viewed microscopically using herbarium material cleared in ethanol.
The anthers containing mid- or late-uninucleate microspores were most suitable for anther culture (Figure 2(b)).
Breidy, the seed bank director at the Lebanese Agricultural Research Institute, cuts open the spikelets from one ear of wheat, removes the anthers inside, and discards them.