Podcast
Questions and Answers
What is the main function of keratinocytes in the skin?
What is the main function of keratinocytes in the skin?
- Attach the skin to underlying tissues and organs
- Produce protection against ultraviolet radiation (correct)
- Produce the pigment melanin
- Function in the sensation of touch
Which tissue type is predominantly found in the epidermis of the skin?
Which tissue type is predominantly found in the epidermis of the skin?
- Connective tissue
- Muscle tissue
- Nervous tissue
- Epithelial tissue (correct)
Where are Langerhans cells located and what is their primary function in the skin?
Where are Langerhans cells located and what is their primary function in the skin?
- Function in the sensation of touch
- Provide protection against damage by ultraviolet radiation
- Attached to hair follicles, involved in immune responses
- Originate in red bone marrow, involved in immune responses (correct)
What is the role of melanocytes in the skin?
What is the role of melanocytes in the skin?
Where is the subcutaneous layer (hypodermis) located in relation to the skin layers?
Where is the subcutaneous layer (hypodermis) located in relation to the skin layers?
What is the composition of the subcutaneous (hypodermis) layer?
What is the composition of the subcutaneous (hypodermis) layer?
Which layer of the epidermis is responsible for producing all the other layers through continuous cell division?
Which layer of the epidermis is responsible for producing all the other layers through continuous cell division?
What protein makes up hair and nails and is present in the non-dividing cells of the stratum granulosum?
What protein makes up hair and nails and is present in the non-dividing cells of the stratum granulosum?
In which type of skin is the stratum lucidum present?
In which type of skin is the stratum lucidum present?
What is the process of accumulation of protective keratin as cells move from the deepest layer to the surface layer called?
What is the process of accumulation of protective keratin as cells move from the deepest layer to the surface layer called?
Which pigment, produced by melanocytes and found in the epidermis, absorbs UV radiation?
Which pigment, produced by melanocytes and found in the epidermis, absorbs UV radiation?
What causes the formation of freckles on the skin?
What causes the formation of freckles on the skin?
Flashcards
Keratinocytes
Keratinocytes
Cells in the skin that produce protection against UV radiation.
Epithelial tissue
Epithelial tissue
The predominant tissue type in the epidermis of the skin.
Langerhans cells
Langerhans cells
Immune cells in the skin that originate in red bone marrow.
Melanocytes
Melanocytes
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Subcutaneous layer
Subcutaneous layer
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Composition of the hypodermis
Composition of the hypodermis
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Stratum basale
Stratum basale
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Keratin
Keratin
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Stratum lucidum
Stratum lucidum
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Keratinization
Keratinization
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Melanin
Melanin
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Formation of freckles
Formation of freckles
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