10 Questions
Which cells are firmly attached to each other by small interlocking cytoplasmic processes and abundant desmosomes?
Keratinocytes
Which cells are the only ones that can synthesize melanin?
Melanocytes
What is the main function of Langerhans cells in the epidermis?
Specialized macrophages with a key role in immune reactions
What do Merkel cells do in the epidermis?
Concentrate in localized sensory structures and function as mechanoreceptors
What do granular layer cells contain that merge with tonofibrils?
Keratohyalin granules
What is the main function of the granular layer in the epidermis?
Synthesizing keratins
What distinguishes Langerhans cells from other epidermal cells?
Possession of surface receptors for C3b
Which feature is characteristic of Merkel cells in the epidermis?
Lack of desmosomes and tonofibrils
What is the role of melanocytes in the epidermis?
Synthesizing melanin
What do the cells in the granular layer contain that merge with tonofibrils?
Large irregular basophilic granules of keratohyalin
Test your knowledge about the structure of the skin, including its three layers: epidermis, dermis, and subcutis/hypodermis. Explore the interlocking projections of the epidermis and dermis in this quiz.
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