![]() The Epidermis is composed of five cell layers, which have different functions: Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum. location of melanocytes and tactile epithelial cells.Ĭonsists of a stratified plane stratified keratinized epitheliiam that constantly grows and maintains normal thickness through the peeling process. These are not randomly oriented but are regular skin tightening lines known as Langer lines. Irregular thick rounds of collagen and elastic fibers are characterized. A papilla is a surface that increases the mechanical union between the dermis and the epidermis. It contains conjugated tissues and blood vessels that nourish the skin and help control the temperature. This stratum is a thin upper layer in the dermis. dermal layer responsible for fingerprints. The first involves nerve fibers, part of the contact, and the second, the pigment responsible for coloring and tanning of the skin, melanin.į. In this basal layer, there are Merkel cells as well as melanocytes. These cells are the precursors of keratinocytes, which is why this layer is also called germinativum. Stratum basale is the germinative, single, basal inner layer of the epidermis composed of cuboid-shaped basal cells. location of melanocytes and tactile epithelial cells. an epidermal layer showing the most rapid cell division.ħ. It also produces glycoprotein which helps prevent water loss.Ī. This stratus is also called “Malpigio stratum”. These cells are rich in DNA that is essential for the synthesis of proteins that end in keratin production, and Langerhans cells associated with the immune system. a glycolipid-run layer that prevents water loss from the skin.Ĩ to 10 layers of irregular cells. This is also the layer where keratinization begins.Į. This is why they show high concentrations of lysosome enzymes. These cells are arranged in two or four layers, and begin to degenerate. These layer cells contain granules filled with keratohyalin which are essential for keratin production. named layer for the numerous granules present. They have no nucleus and the cytoplasm is filled with a gelatinous substance, eleidine, which converts to keratin.ī. Keratinocytes are diaphanous and grouped together. This layer is so thin that the edges of the cells and some connections of their nuclei cannot be identified. a translucent cell layer in thick skin containing dead keratinocytesĪlso known as the transparent layer, it is located only in the thickest parts of the skin, such as the palms of the hands and the soles of the feet. These cells are replaced by new cells with the same fate. The epidermal layer is a surface that fills thin, planar, thin cells with keratin in their cytoplasm, which is continuously released. a layer consisting of scale dead cells, filled with keratin, which constantly softens.
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