18 Questions
What is the primary function of the cells in the Stratum Basale?
To serve as stem cells, capable of renewal and producing other cell types
Which layer of the epidermis is characterized by the presence of raised projections called dermal papillae?
Stratum Granulosum
What is the primary function of tonofilaments in the Stratum Spinosum?
To maintain cohesion between cells
Which layer of the epidermis is responsible for mechanical protection?
Stratum Granulosum
What is the primary component of the Reticular Layer?
Dense irregular connective tissue fibers
What is the final product of the combination of keratohyalin granules and keratin tonofilaments in the Stratum Granulosum?
Keratin
What is the characteristic of the cells in the Stratum Corneum?
They lack nuclei and organelles and are flattened and dead.
Where are the melanocytes located?
Between the Stratum Basale and Stratum Spinosum
What is the function of Langerhans cells?
To act as antigen presenting cells
What is the function of Merkel's cells?
To detect pressure
In which skin type is the Stratum Lucidum not found?
Thin skin
What is the characteristic of the Stratum Lucidum?
It contains dead cells without nuclei
What is the primary function of the skin in regards to vitamin D?
Vitamin D metabolism
Which of the following layers is absent in thin skin?
Stratum lucidum
What is the main difference between thick and thin skin?
Thickness of the epidermal layer
Which skin layer is responsible for mechanical protection?
Epidermis
What is the function of the skin in regards to osmoregulation?
Maintenance of fluid balance
Which of the following is NOT a characteristic of thick skin?
Presence of sebaceous glands
Test your knowledge about the deepest layer of the epidermis, Stratum Basale, and the second cell layer, Stratum Spinosum. Learn about their composition, cell types, and functions in the skin anatomy.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
