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Multiple Choice
Which layer of the skin contains many accessory structures such as hair follicles, sweat glands, and blood vessels?
A
Hypodermis
B
Stratum corneum
C
Dermis
D
Epidermis
Verified step by step guidance
1
Step 1: Begin by understanding the structure of the skin, which is composed of three primary layers: the epidermis (outermost layer), dermis (middle layer), and hypodermis (innermost layer). Each layer has distinct functions and structures.
Step 2: Recognize that the dermis is the layer of the skin that houses accessory structures such as hair follicles, sweat glands, sebaceous glands, and blood vessels. These structures are essential for thermoregulation, sensation, and skin repair.
Step 3: Differentiate the dermis from the epidermis, which is primarily composed of keratinized cells and lacks accessory structures. The epidermis serves as a protective barrier but does not contain blood vessels or glands.
Step 4: Note that the hypodermis, also known as the subcutaneous layer, is primarily composed of adipose tissue and connective tissue. It provides insulation and cushioning but does not contain the accessory structures mentioned in the question.
Step 5: Conclude that the correct answer is the dermis, as it is the layer of the skin responsible for housing the accessory structures listed in the problem.