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  2. Keratinocyte - Wikipedia

    en.wikipedia.org/wiki/Keratinocyte

    Basal cells in the basal layer (stratum basale) of the skin are sometimes referred to as basal keratinocytes. [2] Keratinocytes form a barrier against environmental damage by heat , UV radiation , water loss , pathogenic bacteria , fungi , parasites , and viruses .

  3. Stratum basale - Wikipedia

    en.wikipedia.org/wiki/Stratum_basale

    Not all basal-cell cancers originate in the basal cells but they are so named because the cancer cells resemble basal cells when seen under a microscope. [ 4 ] In a growing fetus, fingerprints form where the cells of the stratum basale meet the papillae of the underlying papillary layer of the dermis , resulting in the formation of the ridges ...

  4. Basal cell - Wikipedia

    en.wikipedia.org/wiki/Basal_cell

    A basal cell is a general cell type that is present in many forms of epithelial tissue throughout the body. Basal cells are located between the basement membrane and the remainder of the epithelium, effectively functioning as an anchor for the epithelial layer and an important mechanism in the maintenance of intraorgan homeostasis.

  5. Melanocyte - Wikipedia

    en.wikipedia.org/wiki/Melanocyte

    These stem cells develop into both keratinocyte precursors and melanoblasts - and these melanoblasts supply both hair and skin (moving into the basal layer of the epidermis). There is additionally evidence that melanocyte stem cells are present in cutaneous nerves, with nerve signals causing these cells to differentiate into melanocytes for the ...

  6. Skin cancer - Wikipedia

    en.wikipedia.org/wiki/Skin_cancer

    A basal-cell skin cancer. Note the pearly appearance and telangiectasia. Specialty: Oncology and dermatology: Symptoms: Basal-cell: painless raised area of skin that may be shiny with small blood vessel running over it or ulceration [1] Squamous-cell: hard lump with a scaly top [2] Melanoma: mole that has changed in size, shape, color, or has ...

  7. Actinic keratosis - Wikipedia

    en.wikipedia.org/wiki/Actinic_keratosis

    Atrophic: With slight hyperkeratosis and overall atrophic changes to the epidermis; the basal layer shows cells with large, hyperchromatic nuclei in close proximity to each other. These cells have been observed to proliferate into the dermis as buds and duct-like structures. [25]

  8. Sam Champion opens up about skin cancer diagnosis, surgery - AOL

    www.aol.com/sam-champion-opens-skin-cancer...

    Sam Champion is sharing a sun protection warning after revealing his own skin cancer diagnosis. The WABC-TV and "Good Morning America" meteorologist said he was diagnosed with basal cell carcinoma ...

  9. Stratum granulosum - Wikipedia

    en.wikipedia.org/wiki/Stratum_granulosum

    The stratum granulosum (or granular layer) is a thin layer of cells in the epidermis lying above the stratum spinosum and below the stratum corneum (stratum lucidum on the soles and palms). [1] Keratinocytes migrating from the underlying stratum spinosum become known as granular cells in this layer.