The Integumentary System Flashcards
What is the primary function of the integumentary system?
To protect the body from external damage and maintain homeostasis.
True or False: The integumentary system includes only the skin.
False
Name the three main layers of the skin.
Epidermis, dermis, and hypodermis.
What type of tissue primarily makes up the epidermis?
Stratified squamous epithelium.
Fill in the blank: The dermis contains __________ and blood vessels.
connective tissue
What is the role of melanocytes in the skin?
To produce melanin, which gives skin its color and protects against UV radiation.
Which layer of the skin is responsible for thermoregulation?
The dermis.
True or False: Hair follicles are found in the epidermis.
False
What are the two types of sweat glands?
Eccrine and apocrine glands.
What is the primary component of hair?
Keratin.
What is the term for the outermost layer of the skin?
Epidermis.
Name one function of sebaceous glands.
To secrete sebum, which lubricates the skin and hair.
Fill in the blank: The hypodermis is primarily composed of __________ tissue.
adipose
What is the function of the arrector pili muscle?
To cause hair to stand upright in response to cold or fear.
True or False: The integumentary system plays a role in vitamin D synthesis.
True
What type of sensory receptors are found in the skin?
Mechanoreceptors, thermoreceptors, and nociceptors.
What is the primary cause of skin aging?
Decreased collagen production and UV damage.
What is the condition characterized by excessive skin shedding?
Psoriasis.
Fill in the blank: The skin acts as a barrier against __________.
pathogens
What is the role of keratinocytes?
To produce keratin, a protein that protects the skin.
True or False: Nails are composed of living tissue.
False
What is the medical term for the study of skin?
Dermatology.
What is a common skin condition caused by bacteria?
Acne.
Fill in the blank: The integumentary system helps regulate __________ balance.
water
