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pollen grain [1 record]
Record 1 - internal organization data 2012-07-18
Record 1, English
Record 1, Subject field(s)
- Plant Biology
- Paleontology
- Air Pollution
Record 1, Main entry term, English
- pollen grain
1, record 1, English, pollen%20grain
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
One of the dustlike particles of which pollen is made up; a single unit of pollen. 2, record 1, English, - pollen%20grain
Record number: 1, Textual support number: 1 CONT
The solid particles of non-hygroscopic dust found in the atmosphere come from several sources, some of which are strictly natural and some artificial. The mineral dust resulting from disintegration of rocks provides a source of small particles. ... If the particles are small enough, they will settle slowly and so will remain in the air for a fairly long period. Pollen grains from plants are carried about by the wind, but the pollen supply is seasonal. 3, record 1, English, - pollen%20grain
Record number: 1, Textual support number: 1 OBS
Pollen grains are an outrageous invention of the seed plants, which first appeared over 300 million years ago. 4, record 1, English, - pollen%20grain
Record 1, French
Record 1, Domaine(s)
- Biologie végétale
- Paléontologie
- Pollution de l'air
Record 1, Main entry term, French
- grain de pollen
1, record 1, French, grain%20de%20pollen
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Pollens. Les grains de pollen constituent des pneumallergènes puissants, susceptibles de provoquer chez l'être humain des réactions individuelles de gravité variable. [...] Le diamètre des grains de pollen oscille entre 10 et 50 microns suivant le végétal dont ils proviennent (herbes, arbres [...]). La plupart d'entre eux sont hygroscopiques et augmentent donc de poids avec l'humidité de l'atmosphère. 2, record 1, French, - grain%20de%20pollen
Record number: 1, Textual support number: 1 OBS
La palynologie est l'ensemble des études concernant les spores et les grains de pollens. 3, record 1, French, - grain%20de%20pollen
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Biología vegetal
- Paleontología
- Contaminación del aire
Record 1, Main entry term, Spanish
- grano de polen
1, record 1, Spanish, grano%20de%20polen
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Microspora madura, producida en el saco polínico de las angiospermas o el microsporangio de las gimnospermas. 1, record 1, Spanish, - grano%20de%20polen
Record number: 1, Textual support number: 1 OBS
Consta de una sola célula, de forma y tamaño variables con una pared de estructura muy elaborada. 1, record 1, Spanish, - grano%20de%20polen
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