Multiple Choice
How does the skin function as part of both the integumentary system and the excretory system?
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5. Integumentary System
Introduction to the Integumentary System
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Which of the following structures are found in the dermis of the skin?
A
Sweat glands
B
Stratum corneum
C
Keratinocytes
D
Melanocytes
Verified step by step guidance1
Step 1: Begin by understanding the structure of the skin, which is divided into three main layers: the epidermis, dermis, and hypodermis. The dermis is the middle layer and contains various structures essential for skin function.
Step 2: Identify the structures listed in the problem and determine which layer of the skin they are associated with. For example, sweat glands are part of the dermis, while the stratum corneum, keratinocytes, and melanocytes are components of the epidermis.
Step 3: Recall that sweat glands are exocrine glands located in the dermis. They play a role in thermoregulation by secreting sweat onto the skin surface.
Step 4: Understand that the stratum corneum is the outermost layer of the epidermis, composed of dead keratinized cells, and keratinocytes are the primary cell type found in the epidermis. Melanocytes, responsible for producing melanin, are also located in the epidermis.
Step 5: Conclude that the correct structure found in the dermis is sweat glands, as the other options are components of the epidermis.
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