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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).
Sep 18, 2024 · pollen, a mass of microspores in a seed plant appearing usually as a fine dust. Each pollen grain is a minute body, of varying shape and structure, formed in the male structures of seed-bearing plants and transported by various means (wind, water, insects, etc.) to the female structures, where fertilization occurs.
- The Editors of Encyclopaedia Britannica
- Medications
- Allergy Shots
- Home Remedies
Several over-the-counter (OTC) allergy medications are available, including: 1. antihistamines, such as cetirizine (Zyrtec), diphenhydramine (Benadryl), or fexofenadine (Allegra) 2. decongestants, such as pseudoephedrine (Sudafed) or oxymetazoline (Afrin) 3. medications that combine an antihistamine and a decongestant, such as fexofenadine/pseudoep...
Allergy shotsmay be recommended if medications are not enough to ease your symptoms. Allergy shots are a form of immunotherapy. You receive a series of injections of the allergen. The amount of allergen in the shot gradually increases over time. The shots modify your immune system’s response to the allergen, helping to reduce the severity of your a...
A number of home remedies may also help relieve pollen allergy symptoms. These include: 1. using a squeeze bottle or neti pot to flush pollen from the nose 2. trying herbs and extracts, such as PA-free butterbur (which does not contain toxic pyrrolizidine alkaloids) or spirulina 3. removing and washing any clothing that’s been worn outside 4. dryin...
Jun 26, 2018 · A pollen allergy is a common but irritating condition. A person may be allergic to certain types of pollen or multiple pollens. An allergist can help them determine which pollens affect them...
- Rachel Nall, MSN, CRNA
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.
Pollen allergy is a common condition that affects millions of Americans. Learn how to identify the signs and symptoms of pollen allergy, and how to find relief with medications or immunotherapy.
