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Questions and Answers
What is the function of stratified squamous keratinized epithelium?
What is the function of stratified squamous keratinized epithelium?
- Protect underlying tissues (correct)
- Assist in nutrient absorption
- Produce hormones
- Provide structure to bone
Where is stratified squamous keratinized epithelium located?
Where is stratified squamous keratinized epithelium located?
Hair, skin, and nails.
What type of tissue is the basement membrane?
What type of tissue is the basement membrane?
Connective tissue.
What is keratin?
What is keratin?
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What do keratinocytes produce?
What do keratinocytes produce?
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What is melanin?
What is melanin?
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What do melanocytes do?
What do melanocytes do?
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What is a squamous cell?
What is a squamous cell?
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Study Notes
Stratified Squamous Keratinized Epithelium
- Composed of multiple layers of cells, primarily serving a protective function for underlying tissues.
- Predominantly found in skin, hair, and nails, where it provides a barrier against environmental damage.
Basement Membrane
- A type of connective tissue located at the base of epithelial cells.
- Supports and anchors the epithelial layer, facilitating the connection between the epithelium and the underlying tissue.
Keratin
- A fibrous protein providing waterproofing properties to the skin, hair, and nails.
- Plays a critical role in maintaining skin integrity and serving as a barrier to pathogens.
Keratinocyte
- The primary cell type responsible for the production of keratin.
- These cells constantly renew and migrate from deeper layers to the surface, forming the outermost protective layer of the skin.
Melanin
- A pigment responsible for the color of human skin, hair, and eyes.
- Protects against UV radiation by absorbing harmful rays, thus reducing the risk of skin damage.
Melanocyte
- Specialized cells located in the skin, hair follicles, and eyes, which produce and distribute melanin.
- Contribute to the variation in skin color among individuals based on genetic factors.
Squamous Cell
- Characterized as thin and flat epithelial cells.
- Their structure enables efficient gas exchange and provides surface area for protection against abrasion.
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