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  2. Stratum basale - Wikipedia

    en.wikipedia.org/wiki/Stratum_basale

    The stratum basale (basal layer, sometimes referred to as stratum germinativum) is the deepest layer of the five layers of the epidermis, the external covering of skin in mammals. The stratum basale is a single layer of columnar or cuboidal basal cells .

  3. Basal cell - Wikipedia

    en.wikipedia.org/wiki/Basal_cell

    Found in the lowest layer of the epidermis, the stratum basale, basal cells continuously divide in order to replenish the squamous cells that make up the skin's surface. [6] Every time a basal cell divides, it creates two daughter cells, one is an identical basal cell, and the other is a new somatic cell that undergoes terminal differentiation .

  4. Basal-cell carcinoma - Wikipedia

    en.wikipedia.org/wiki/Basal-cell_carcinoma

    Infiltrative basal-cell carcinoma, which also encompasses morpheaform and micronodular basal-cell cancer, is more difficult to treat with conservative methods, given its tendency to penetrate into deeper layers of the skin. Nodular basal-cell carcinoma includes most of the remaining categories of basal-cell cancer.

  5. What causes skin cancer? What to know about basal cell ... - AOL

    www.aol.com/causes-skin-cancer-know-basal...

    Skin cancer is the most common form of cancer nationwide each year, according to the Centers for Disease Control and Prevention. What causes skin cancer? What to know about basal cell carcinoma ...

  6. 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 .

  7. Skin cancer - Wikipedia

    en.wikipedia.org/wiki/Skin_cancer

    Of nonmelanoma skin cancers, about 80% are basal-cell cancers and 20% squamous-cell skin cancers. [14] Basal-cell and squamous-cell skin cancers rarely result in death. [6] In the United States, they were the cause of less than 0.1% of all cancer deaths. [1] Globally in 2012, melanoma occurred in 232,000 people and resulted in 55,000 deaths. [6]

  8. Malpighian layer - Wikipedia

    en.wikipedia.org/wiki/Malpighian_layer

    The Malpighian layer (stratum mucosum or stratum malpighii) of the epidermis is generally defined as both the stratum basale (basal layer) and the thicker stratum spinosum (spinous layer/prickle cell layer) immediately above it as a single unit, [1] [2] although it is occasionally defined as the stratum basale specifically, [3] or the stratum ...

  9. Skin - Wikipedia

    en.wikipedia.org/wiki/Skin

    The basal layer is a stem cell layer and through asymmetrical divisions, becomes the source of skin cells throughout life. It is maintained as a stem cell layer through an autocrine signal, TGF alpha , and through paracrine signaling from FGF7 ( keratinocyte growth factor ) produced by the dermis below the basal cells.