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Topic: Pollen


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In the News (Thu 13 Jun 19)

  
  Pollen.com - Your Local Pollen Reports and Allergy Forecasts including the only 4 Day Allergy Alert Forecast. If you ...
During a field investigation he discovered pine pollen several hundred miles from the nearest pine forest.
With some surprise he concluded that this pollen must have floated through the air to its destination.
The Allergy Alert™ Emails provide you with a daily two-day forecast of allergy conditions in your area, as long as your area is critical — to help you manage today's allergies and plan ahead for the conditions tomorrow.
www.pollen.com   (187 words)

  
  BBC - Weather Centre - Pollen
This pollen index is supplied by the National Pollen and Aerobiology Research Unit.
The pollen forecasts are made using information from the National Pollen Network, local vegetation, weather patterns in the winter and spring that influence grass growth, and the weather forecasts.
The pollen from silver birch trees is the most important tree pollen type for hay fever sufferers and usually occurs in April.
www.bbc.co.uk /weather/pollen/index.shtml   (519 words)

  
  HON Allergy Glossary Pollen   (Site not responding. Last check: )
While grass pollens are generally the most common cause of hay fever (seasonal allergic rhinitis), other pollen types are also important.
For example, ragweed pollen, although very common in North America, is present in Europe only in the French Rhône valley and some areas of Eastern Europe, while the pollen most associated with seasonal allergy in Mediterranean regions is the olive tree.
Pollen induced reactions include extrinsic asthma, rhinitis and bronchitis.
www.hon.ch /Library/Theme/Allergy/Glossary/pollen.html   (173 words)

  
 Pollen Allergy
A pollen count, which is familiar to many people from local weather reports, is a measure of how much pollen is in the air.
Pollen counts tend to be highest early in the morning on warm, dry, breezy days and lowest during chilly, wet periods.
Although a pollen count is an approximate and fluctuating measure, it is useful as a general guide for when it is advisable to stay indoors and avoid contact with the pollen.
healthlink.mcw.edu /article/926103720.html   (923 words)

  
 Fossil and Surface Pollen Data - WDC for Paleoclimatology
Pollen grains which are washed or blown into lakes can accumulate in sediments and provide a record of past vegetation.
Different types of pollen in lake sediments reflect the vegetation that was present around the lake, and therefore the climate conditions favorable for that vegetation.
Canadian Pollen Database, at the Laboratory for Paleoclimatology and Climatology, University of Ottawa.
www.ncdc.noaa.gov /paleo/pollen.html   (488 words)

  
  Bee Pollen's Medical Miracles
Bee pollen is the food of the young bee and it is approximately 40% protein.
Her pollen baskets, surrounded by a fringe of long hairs, are simply concave areas located on the outside of her tibias.
It is reported that bee pollen in the diet acts to normalize cholesterol and triglyceride levels in the blood: Upon the regular ingestion of bee pollen, a reduction of cholesterol and triglycerides was observed.
www.shirleys-wellness-cafe.com /bee.htm   (9111 words)

  
  Pollen - Wikipedia, the free encyclopedia
Pollen, sometimes incorrectly called flower sperm, is a fine to coarse powder consisting of microgametophytes (pollen grains), which produce the male gametes (sperm cells) of seed plants.
Pollen is produced in the microsporangium (contained in the anther of an angiosperm flower, male cone of a coniferous plant, or male cone of other seed plants).
Pollen grains of pines, firs, and spruces are winged.
en.wikipedia.org /wiki/Pollen   (826 words)

  
 [No title]   (Site not responding. Last check: )
Pollen is a fine powder consisted of microspores (pollen grains), which are the male gametes of higher plants.
Pollen is produced in the microsporangium (antherss of an angiosperm flower).
The "tapping panel dryness disease" of the rubber plant is caused by a virus transmitted on pollen grains.
wikiwhat.com /encyclopedia/p/po/pollen.html   (364 words)

  
 Bee Pollen: Encyclopedia of Alternative Medicine
Pollen is usually collected commercially by placing a special device at the entrance of beehives that brushes the substance from their hind legs into a collection receptacle.
Bee pollen is also available in liquid, cream, salve, and tincture form, mainly for use on skin conditions, sores, pounds, and bruises.
Those using bee pollen to reduce hay fever should be sure to consume local bee pollen to obtain the best results.
health.enotes.com /alternative-medicine-encyclopedia/bee-pollen   (972 words)

  
 Fossil Groups - Spores and Pollen
Pollen and spores are critical parts of the life cycles of vascular and, because they have very resistant walls, pollen and spores typically are the most abundant, easily identifiable, and best preserved plant remains in sediments and sedimentary rocks.
To study pollen grains and spores, a compound microscope must be used because pollen and spores are very small, typically between 10 micrometers (µm) and 200 µm (There are 1000 µm in 1 millimeter, and a millimeter is about equal to the diameter of the head of a pin).
Pollen and spores typically are isolated from sediments and rocks using both chemical and physical means, and they ultimately are mounted on microscope slides for examination with the light microscope.
geology.er.usgs.gov /paleo/sporepollen.shtml   (700 words)

  
 Diseases - Allergies to Pollen - National Jewish Medical and Research Center
Pollens from trees tend to be highest in the spring.
Pollens from grasses tend to be highest in the summer.
Pollens from weeds tend to be highest in the fall.
njc.org /disease-info/diseases/allergy/about/allergic-to/pollen.aspx   (631 words)

  
 Flower Pollen
Pollen consists of the male germ seeds of plants, flowers or blossoms on trees.
As plants flower, pollen is transferred from the anther of a stamen to the stigma of a pistil; on reaching the ovary it brings about fertilization of seeds.
Entomophilus pollen refers to pollen that is spread by insects such as bees; anemophilous pollen refers to pollen spread by wind.
www.pdrhealth.com /drug_info/nmdrugprofiles/nutsupdrugs/flo_0108.shtml   (780 words)

  
 Pollen Allergy
In the case of pollen allergy, the antibody is specific for each type of pollen: one antibody may be produced to react against oak pollen and another against ragweed pollen, for example.
Complete avoidance of allergenic pollen means moving to a place where the offending plant does not grow and where its pollen is not present in the air.
Modifying Pollen Extracts Among the most promising innovations is the development of modified pollen extracts that appear to reduce allergic reactions to the material used in immunotherapy.
www.hoptechno.com /book46.htm   (4275 words)

  
 pollen - Search Results - MSN Encarta
Pollination, transfer of pollen grains from the male structure of a plant to the female structure of a plant.
Pollination, Flower: Sexual Reproduction, allergies to pollens, fruit formation, role in, in archaeology of ancient Mesoamerica, incomplete and...
Pollen, Arabella, born in 1961, English fashion designer.
encarta.msn.com /encnet/refpages/search.aspx?q=pollen   (119 words)

  
 Pollen Allergy
In the case of pollen allergy, the antibody is specific for each type of pollen: one antibody may be produced to react against oak pollen and another against ragweed pollen, for example.
Pollen counts tend to be highest on warm, dry, breezy days and lowest during chilly, wet periods.
Complete avoidance of allergenic pollen means moving to a place where the offending plant does not grow and where its pollen is not present in the air.
www.dustless.com /alpha/info/pollen.html   (4288 words)

  
 Diseases - Allergies to Pollen - National Jewish Medical and Research Center
Pollens from trees tend to be highest in the spring.
Pollens from grasses tend to be highest in the summer.
Pollens from weeds tend to be highest in the fall.
www.njc.org /disease-info/diseases/allergy/about/allergic-to/pollen.aspx   (628 words)

  
 PALYNOLOGY DEFINITIONS
POLLEN: The multinucleate reproductive microgametophyte of seed plants, enclosed in the microspore wall.
Fossil pollen consists of the microspore wall, comprised of sporopollenin, and generally identified by its apertures and sculpture.
Unlike "spore" the word "pollen" is a collective noun like the word "flour" from which the word palynology is derived.
www.geo.arizona.edu /palynology/ppalydef.html   (1259 words)

  
 Pollen Home Page
Pollen is typically a dust-like powder discharged from pollen cones or from the male part of a flower.
Pollen grains that are wind-dispersed cause most of the allergy problems because these are the pollens that make their way into our nasal passages and eyes.
Pollens from other plants, such as roses and tulips, are too big to be transported by the air alone.
www.co.forsyth.nc.us /EnvAffairs/pollen/default.htm   (862 words)

  
 biology - Pollen
SEM image of pollen grains from a variety of common plants: sunflower (Helianthus annuus), morning glory (Ipomea purpurea),hollyhock (Sildalcea malviflora), lily (Lilium auratum), primrose(Oenothera fruticosa), and castor bean (Ricinus communis).
Pollen is a fine to coarse powder consisting of microgametophytes (pollen grains), which carry the male gametes of seed plants.
Pollen is produced in the microsporangium (anther of an angiosperm flower or male cone of a coniferous plant).
www.biologydaily.com /biology/Pollen   (775 words)

  
 Flower Pollen Natural Remedy
It is the pollen from untold thousands of wild flowers, herbs, bushes and trees-in which the Mint family plays a major part-that make up these golden granules.
Honeybee pollen possesses 185 known nutritional ingredients, including twenty-two amino acids (and more of all the eight essential ones by weight than the traditional high protein foods), twenty-seven mineral salts, the full range of known vitamins, plus hormones, enzymes, carbohydrates, and fats.
Used in experiments with aging people, pollen seems to restore morale, and return a sense of physical well-being, and bring back physical health, all of which were measurable by laboratory examinations.
www.regenerativenutrition.com /content.asp?id=29   (1935 words)

  
 Bee Pollen encyclopedia, Alternatives From Nature
It is gathered from pollen laden bees with a special device placed at the entrance of the hive designed to brush the material from their hind legs.
Bee pollen aids the body in recovering from exercise, returning breathing and heart rate to normal, and improves endurance for repeat exertion.
Pollen increases blood pressure especially when taken with kelp and may increase hormone levels and sexual strength.
www.herbsrainbear.com /encylopedia/beepollen.htm   (572 words)

  
 Pollen Count   (Site not responding. Last check: )
Pollen counts often report the pollen numbers for a particular plant group, such as grasses, trees, mold and weeds as high, moderate, low or absent In other reports, counts are given as actual numbers of grains per cubic meter of air.
If a person is allergic to high concentrations of ragweed pollen, but the pollen count that day indicates that the numbers are high due to an abundance of oak tree pollen, and very little ragweed pollen, that person may not be affected at all.
The pollen counts collected and reported at the Florida Museum are generally valid for much of north-central Florida, as most of the pollen captured by the Burkard pollen collector is from plants that produce airborne pollen and spores which may travel great distances.
www.flmnh.ufl.edu /natsci/paleobotany/pollenreport/pollencount.htm   (1062 words)

  
 Oak Pollen - Plant of the Week
All flowering plants produce pollen but nature has evolved different methods to get it to the point where it is needed; the end of the pistol where the process of fertilization begins.
Pollen is very light and is carried on wind currents for long distances.
According to Hatley, pollen from the Ashei junipers of central Texas is routinely reported in Canada.
www.arhomeandgarden.org /plantoftheweek/articles/Oak_Pollen.htm   (674 words)

  
 USDA Agricultural Research Service
Pollen from Texas ebony and citrus was found on corn earworm moths captured in Oklahoma.
Pollen is the bee's source of protein, and nectar is its source of carbohydrate.
Climate changes can be determined by comparing the pollen found in the layers to the climate in which the pollen-producing plants grew.
www.ars.usda.gov /is/kids/plants/story9/PollenIndex.html   (597 words)

  
 Insects for Pollen Analyses - USDA, ARS, APMRU, Pollen Lab
Pollen analyses of Lepidoptera (moths and butterflies) historically is conducted by examining the exterior of the insect.
Pollen also can fall into a flower's nectar when the anthers are dislodged by the wind, insects, animals, etc. Once the nectar is contaminated with pollen, that pollen will be taken into the insect's digestive system or may "stick" to its proboscis when the insect is foraging.
New techniques in entomopalynology (study of pollen on or in an insect) are being developed to enable better, quicker, and sometimes cheaper examination of insects for pollen.
pollen.usda.gov /Research_Techniques/Insects_Pollen_Analyses.htm   (483 words)

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