Anatomy of Dermis & Hypodermis Flashcards
What is the primary component of the dermis?
Connective tissue
True or False: The dermis is located beneath the epidermis.
True
What are the two layers of the dermis called?
Papillary layer and reticular layer
Fill in the blank: The ____ is the layer of skin that contains blood vessels, nerves, and hair follicles.
dermis
What type of cells are primarily found in the dermis?
Fibroblasts
What is the function of collagen in the dermis?
Provides strength and structure
What is the role of elastin in the skin?
Provides elasticity and flexibility
True or False: The hypodermis is also known as the subcutaneous layer.
True
What is the primary function of the hypodermis?
Insulation and energy storage
What types of tissues make up the hypodermis?
Loose connective tissue and adipose tissue
Multiple Choice: Which of the following is NOT found in the dermis? A) Blood vessels B) Nerves C) Epithelial cells D) Hair follicles
C) Epithelial cells
What is the primary type of connective tissue in the reticular layer of the dermis?
Dense irregular connective tissue
Fill in the blank: The dermis is responsible for the ____ of the skin.
strength and elasticity
What are dermal papillae?
Small, nipple-like projections that increase the surface area between the dermis and epidermis
True or False: The hypodermis contains fewer blood vessels than the dermis.
False
What type of glands are found in the dermis?
Sebaceous and sweat glands
Multiple Choice: Which layer contains the majority of the skin’s sensory receptors? A) Epidermis B) Dermis C) Hypodermis D) None of the above
B) Dermis
What are the main functions of the dermis?
Support, nourishment, and sensation
Fill in the blank: The connective tissue in the dermis is primarily made up of ____ and elastin.
collagen
What is the significance of the vascular supply in the dermis?
It helps regulate temperature and supplies nutrients to the skin
True or False: The hypodermis plays a critical role in thermoregulation.
True
What type of cell is responsible for producing melanin?
Melanocyte
What is the role of the arrector pili muscle?
Causes hair to stand up and creates goosebumps
Multiple Choice: Which type of sensory receptor in the dermis is responsible for detecting pressure? A) Meissner’s corpuscles B) Pacinian corpuscles C) Merkel cells D) All of the above
B) Pacinian corpuscles
