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  2. Epidermis - Wikipedia

    en.wikipedia.org/wiki/Epidermis

    The human epidermis is an example of epithelium, particularly a stratified squamous epithelium. The word epidermis is derived through Latin from Ancient Greek epidermis, itself from Ancient Greek epi 'over, upon' and from Ancient Greek derma 'skin'. Something related to or part of the epidermis is termed epidermal.

  3. Stratified squamous epithelium - Wikipedia

    en.wikipedia.org/wiki/Stratified_squamous_epithelium

    Examples of non-keratinized stratified squamous epithelium include some parts of the lining of oral cavity, pharynx, conjunctiva of eye, upper one-third esophagus, rectum, vulva, and vagina. Even non-keratinized surfaces, consisting as they do of keratinocytes, have a minor superficial keratinized layer of varying thickness, depending on the ...

  4. Human skin - Wikipedia

    en.wikipedia.org/wiki/Human_skin

    For the average adult human, the skin has a surface area of 1.5–2.0 square metres (15–20 sq ft). The thickness of the skin varies considerably over all parts of the body, and between men and women, and young and old. An example is the skin on the forearm, which is on average 1.3 mm in males and 1.26 mm in females. [4]

  5. Epithelium - Wikipedia

    en.wikipedia.org/wiki/Epithelium

    An example is the epidermis, the outermost layer of the skin. Epithelial (mesothelial) tissues line the outer surfaces of many internal organs, the corresponding inner surfaces of body cavities, and the inner surfaces of blood vessels.

  6. List of skin conditions - Wikipedia

    en.wikipedia.org/wiki/List_of_skin_conditions

    The epidermis is the most superficial layer of skin, a squamous epithelium with several strata: the stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, and stratum basale. [8] Nourishment is provided to these layers by diffusion from the dermis since the epidermis is without direct blood supply.

  7. Integumentary system - Wikipedia

    en.wikipedia.org/wiki/Integumentary_system

    The skin is one of the largest organs of the body. In humans, it accounts for about 12 to 15 percent of total body weight and covers 1.5 to 2 m 2 of surface area. [1] 3D still showing human integumentary system. The skin (integument) is a composite organ, made up of at least two major layers of tissue: the epidermis and the dermis. [2]

  8. Tissue (biology) - Wikipedia

    en.wikipedia.org/wiki/Tissue_(biology)

    The entire surface of the plant consists of a single layer of cells called epidermis or surface tissue. The entire surface of the plant has this outer layer of the epidermis. Hence it is also called surface tissue. Most of the epidermal cells are relatively flat. The outer and lateral walls of the cell are often thicker than the inner walls.

  9. Ectoderm - Wikipedia

    en.wikipedia.org/wiki/Ectoderm

    For example, the expression of N-cadherin is crucial to maintaining separation of precursor neural cells from precursor epithelial cells. [2] Likewise, while the surface ectoderm becomes the epidermis, [6] the neuroectoderm is induced along the neural pathway by the notochord, which is typically positioned above it. [2] [4]