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Epidermal

Relating to or denoting the epidermis, which is the outer layer of cells covering an organism. This layer serves as a protective barrier, crucial for regulating the internal environment and preventing the entry of harmful substances. It's composed of various cell types, including keratinocytes, which produce keratin, a fibrous protein that strengthens and waterproofs the skin. The term can be applied to any organism possessing an epidermis, from humans to plants, describing the outer surface features and processes taking place at that level. The epidermal layer is constantly renewed, undergoing shedding and regeneration, reflecting its vital role in defense and homeostasis.

Epidermal meaning with examples

  • Sunburn is a common epidermal injury, caused by excessive exposure to ultraviolet radiation. The epidermis, especially in fair-skinned individuals, is sensitive to UV damage, leading to inflammation, blistering, and peeling. Proper sun protection, such as sunscreen and protective clothing, is essential to prevent epidermal damage and reduce the risk of skin cancer.
  • The epidermal cells of a plant's leaves have specialized structures called stomata. These tiny pores regulate gas exchange, allowing carbon dioxide to enter for photosynthesis and oxygen to exit. Damage to the stomata or surrounding epidermal cells can disrupt this essential process, affecting the plant's health.
  • Contact dermatitis is an example of an epidermal inflammatory reaction caused by allergens or irritants coming into contact with the skin. Symptoms can include redness, itching, and blistering in the affected area of the epidermis, and this condition often requires specific medical treatment.
  • In the process of skin grafting, epidermal and dermal layers are often harvested from a healthy donor site and transplanted to a damaged area. This crucial technique promotes wound healing and helps reconstruct the epidermis and other tissues after injury or burns.

Epidermal Crossword Answers

6 Letters

DERMAL

9 Letters

CUTICULAR EPIDERMIC

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