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Megan Kielsmeier
1-5
Term | Definition |
---|---|
keratin | Keratinocytes eventually become filled with a tough, fibrous pro-tein |
Melanocytes | contribute colored pigments to the skin and serve to decrease the amount of ultraviolet (UV) light that can penetrate into the deeper layers of the skin. |
dendritic cells | branched cells that play a role in immunity |
strata | The cells of the epidermis are found in up to five distinct layers |
stratum basale | is a single layer of columnar cells |
stratum germinativum | is often used to designate stratum basale |
stratum spinosum | or “spiny layer” of the epidermis is formed from 8 to 10 layers of irregularly shaped cells with very prominent intercellular bridges, or desmosomes. |
Stratum granulosum | is where the process of sur-face keratin formation begins. |
keratohyalin | Cells are arranged in a sheet two to four layers deep and are filled with intensely staining granules |
stratum lucidum | are very flat, closely packed, and clear |