12 Questions
What is the main function of keratinocytes in the skin?
Produce protection against ultraviolet radiation
Which tissue type is predominantly found in the epidermis of the skin?
Epithelial tissue
Where are Langerhans cells located and what is their primary function in the skin?
Originate in red bone marrow, involved in immune responses
What is the role of melanocytes in the skin?
Produce the pigment melanin for protection against ultraviolet radiation
Where is the subcutaneous layer (hypodermis) located in relation to the skin layers?
Below the dermis
What is the composition of the subcutaneous (hypodermis) layer?
Loose areolar/adipose connective tissue
Which layer of the epidermis is responsible for producing all the other layers through continuous cell division?
Stratum basale
What protein makes up hair and nails and is present in the non-dividing cells of the stratum granulosum?
Keratin
In which type of skin is the stratum lucidum present?
Thick skin
What is the process of accumulation of protective keratin as cells move from the deepest layer to the surface layer called?
Keratinization
Which pigment, produced by melanocytes and found in the epidermis, absorbs UV radiation?
Melanin
What causes the formation of freckles on the skin?
Exposure to sunlight
Test your knowledge on the integumentary system anatomy including the skin, hair, and nails. Learn about the different tissue types, such as epithelium, connective tissue, and muscle tissue found in the integumentary system.
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