Tag: pollen allergies

  • Pollen

    Pollen: Definition and Description of Pollen: Pollen is a fine powdery substance produced by certain plants, including trees, grasses, and flowers, that contains the male gametes (sperm cells) of seed plants. This natural reproductive agent is critical for the process of fertilization in flowering plants. In humans, pollen is most well-known for its role in…

  • Hay Fever

    Hay Fever Definition and Description of Hay Fever Hay Fever, also known as allergic rhinitis, is an inflammatory condition affecting the nasal passages. It occurs when the immune system overreacts to allergens, which are typically harmless substances. Medical professionals define it as a seasonal or perennial allergic response characterized by symptoms such as sneezing, itching,…