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Pollen tube diagram. Pollen is a powdery substance produced by most types of flowers of seed plants for the purpose of sexual reproduction. [1] It consists of pollen grains (highly reduced microgametophytes ), which produce male gametes (sperm cells).
Jun 4, 2024 · Pollen is a fine dust of microspores produced by seed plants for fertilization. Learn about its characteristics, importance, and how it is used in medicine, palynology, and geology.
- The Editors of Encyclopaedia Britannica
May 26, 2023 · Learn about pollen allergies, which are caused by the immune system's reaction to harmless pollen from plants. Find out how to diagnose, treat, and prevent pollen allergy symptoms, such as sneezing, runny nose, and itchy eyes.
Jun 26, 2018 · Pollen allergy is a common condition that causes itchy eyes, sneezing, and congestion. Learn about the types of pollen, how to diagnose and treat them, and some home remedies that may help.
- Rachel Nall, MSN, CRNA
1 day ago · Check out national allergy map, get your local allergy outlook, track you allergies with Allergy Diary, and more features at Pollen.com.
Nov 20, 2023 · Learn about pollen allergy, a type of seasonal allergy triggered by pollen from plants, trees and grasses. Find out how to diagnose, manage and prevent pollen allergy symptoms with medications, allergy shots or lifestyle changes.
To a tree or a flowering plant, pollen is necessary for life. But to millions of Americans, it is a source of seasonal misery. Pollen, a fine to coarse powdery substance, is created by certain plants as part of their reproduction process.
