tree pollen


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Related to tree pollen: pollen grain

tree pollen

Pollen released by coniferous trees (e.g., cedar), deciduous trees (e.g., birch), or fruit trees (e.g., olive). It is a major source of seasonal rhinitis and asthma.
See also: pollen
References in periodicals archive ?
Timothy grass, Bermuda grass and tree pollen sensitisation increased with age, suggesting an ongoing sensitisation process to certain aeroallergens far beyond the first year of life.
Around 25% of hay fever suffers are allergic to tree pollen.
An estimated 25-35 million people suffer from allergy caused by Japanese cedar tree pollen or house dust mites.
Tree canopy cover near the prenatal address was associated with higher prevalence of allergic sensitization to tree pollen.
Diet did not seem to be associated with becoming sensitised to common allergens, such as grass and tree pollen.
Looking in that material, the researchers observed long-term trends in the amounts of tree pollen, charcoal bits and spores of fungi from the genus Sporormiella.
Every Spring I have a Pollination Celebration and help the wind spread tree pollen so that baby trees can be born.
Allergies that occur at other times of the year might have the same effect, but the impact of tree pollen on suicide rates can be seen in large populations because it is so dramatic after winter.