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Multiple Choice
Which of the following structures is found at the junction between the epidermis and dermis?
A
Hypodermis
B
Stratum corneum
C
Sebaceous gland
D
Basement membrane
Verified step by step guidance
1
Understand the anatomy of the skin: The skin is composed of three main layers—epidermis, dermis, and hypodermis. The epidermis is the outermost layer, the dermis lies beneath it, and the hypodermis is the deepest layer.
Learn about the junction between the epidermis and dermis: The basement membrane is a specialized structure that separates the epidermis from the dermis. It provides structural support and facilitates communication between these two layers.
Clarify the role of the basement membrane: The basement membrane anchors the epidermis to the dermis and plays a critical role in skin integrity, nutrient exchange, and cellular signaling.
Eliminate incorrect options: The hypodermis is located below the dermis, not at the junction. The stratum corneum is the outermost layer of the epidermis, far from the dermis. Sebaceous glands are located within the dermis and are not part of the junction.
Conclude that the correct structure at the junction between the epidermis and dermis is the basement membrane, based on its anatomical location and function.