pollen: A group of male spores from a flower, usually resembling dust. Pollen carried by the wind is the most common trigger for seasonal allergies.
pollen count: The number of pollen spores in a specific amount of air from a single place in a day’s time.
pollen cycle: The seasonal pattern of pollen release from flowers, usually lasting for no more than a few months.
pollen forecast: A prediction, usually made by meteorologists, about probable pollen counts in the near future.
pollen producer: Any plant that reproduces through the release of pollen spores.
pollination period: The amount of time during which a flowering plant produces pollen.
postnasal: Occurring behind the nose.
ragweed: An herb, the pollen of which is a potent seasonal allergen.
regional pollen count: The amount of pollen in a specific area or part of a country.
rhinitis: Redness and swelling of nasal membranes, usually accompanied by itching and sneezing.
sagebrush: A small North American shrub.
saltwater rinse: Saline solution meant for washing out nasal passages; can provide temporary relief from allergy symptoms.
seasonal pollen: Pollen from plants that bloom during specific periods during the year.
steroid nasal spray: A hormonal spray that can reduce allergy symptoms.