The powder-like substance produced by a flowers anthers that fertilises the seeds
In plants, the male germ cells produced in the anther. When ripe, pollen sacs at the end of the anthers split open to release the pollen. Each ripe pollen grain contains two male nuclei equivalent to male gametes.
Latin, meaning: fine flour, fine meal. (also pollis ) Found on http://archives.nd.edu/ppp.htm
the microspores that carry the male gametophyte of seed plants.Found on http://www.encyclo.co.uk/local/20003
The microspore of seed plants.Found on http://www.ucmp.berkeley.edu/glossary/glossary_8.html
The yellow dust produced by the anthers. The male element which fertilized the ovule.Found on http://www.encyclo.co.uk/local/20077
The fertilizing element of flowering plants; background air pollutant. Found on http://www.epa.gov/OCEPAterms/
- a fine powder produced by the anthers of seed-bearing plantsFound on http://www.webdictionary.co.uk/definition.php?query=pollen
Fine particles containing the fertilizing element of plants (male) formed by the anthers of plants. Most allergies are caused by grass and tree pollens.Found on http://www.lethamshank.co.uk/glossary/glossary.php?letter=P
Male semen of plants.
Found on http://www.encyclo.co.uk/local/20667
The grains and spores that plants produce in quantity, though microscopic in size, so as to affect the reproduction of their species. Other floral evidence, (bark, leaves, seeds, stems and wood), might survive burial - but it is usually pollen that will survive best.Found on http://www.encyclo.co.uk/local/20766
Pollen: Small, light, dry protein particles from trees, grasses, flowers, and weeds that may be spread by the wind. Pollen particles are usually the male sex cells of the plant, and are smaller than the tip of a pin. Pollen is a potent stimulator of allergic responses. It lodges in the mucus membranes that line the nose and in other parts of the re...Found on http://www.medterms.com/script/main/art.asp?articlekey=4975
[ Latin pollen
fine flour, fine dust; confer Greek ...] 1.
Fine bran or flour. [ Obsolete] Bailey. 2. (Botany)
The fecundating dustlike cells of the anthers of flowers. See Flower
, and Illust.
. Pollen grain
...Found on http://www.encyclo.co.uk/webster/P/119
<plant biology> The microspores of seed plants, the powdery mass of microspores shed from anthers. ... (09 Oct 1997) ... Found on http://www.encyclo.co.uk/local/20973
the fine spores that contain male gametes and that are borne by an anther in a flowering plantFound on http://wordnetweb.princeton.edu/perl/webwn?s=pollen
(pol´әn) the male fertilizing element of flowering plants.Found on http://www.encyclo.co.uk/local/21001
• (n.) Fine bran or flour. • (n.) The fecundating dustlike cells of the anthers of flowers. See Flower, and Illust. of Filament.Found on http://thinkexist.com/dictionary/meaning/pollen/
a mass of microspores in a seed plant appearing usually as a fine dust. Each pollen grain is a minute body, of varying shape and structure, formed ... [25 related articles]Found on http://www.britannica.com/eb/a-z/p/88
pollen 1. The fine powderlike material consisting of pollen grains that is produced by the anthers of seed plants. 2. The fertilizing element of flowering plants, consisting of fine, powdery, yellowish grains or spores, sometimes in masses. As a botanical term for the fertilizing element of flowers (from Linnæus, 1751), earlier 'dust' (1523); fro...Found on http://www.wordinfo.info/words/index/info/view_unit/1723/
the male reproductive cell bodies produced by anthers of flowers, collected and used by honey bees as their source of protein.Found on http://www.encyclo.co.uk/local/21030
Powder-like spores, usually yellow in color, that give rise to the male gametes in plants. In angiosperms (flowering plants), pollen grains are produced in the anthers on the stamen, whereas in gymnosperms (cone-bearing plants), they are produced by the male cones. Pollen has thick resistant walls w...Found on http://www.daviddarling.info/encyclopedia/P/pollen.html
pollen, 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. The pollen grain is actually the male gametophyte generation of seed plants (s...Found on http://www.infoplease.com/ce6/sci/A0839544.html
Pollen is the male element of flowering plants, generally occurring in single grains, which vary greatly in form, size and colour. Pollen is formed in the part of the stamen known as the anther, and is shed when it is ripe.Found on http://www.probertencyclopaedia.com/browse/BPA.HTM
Type: Term Pronunciation: pol′ĕn Definitions: 1. Microspores of seed plants carried by wind or insects before fertilization; important in the etiology of hay fever and other allergies.Found on http://www.medilexicon.com/medicaldictionary.php?t=70751
Grains of seed plants that contain the male gametes. In angiosperms (flowering plants) pollen is produced within anthers; in most gymnosperms (cone-bearing plants) it is produced in male cones. A pollen grain is typically yellow and, when mature, has a hard outer wall. Pollen of insect-po...Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0007062.html
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