7.1 Anatomy of the Integumentary System Flashcards
What is the Integumentary system comprised of?
hair
skin
nails
What is the largest organ in the body?
skin
What is the skin made up of?
epidermis
dermis
hypodermis
What is the outer layer of skin?
epidermis
What is the middle layer of skin?
dermis
What is the inner layer of skin?
hypodermis
What is the hypodermis also known as?
subcutaneous layer
What does the absorption of UV radiation cause the skin to do?
produce vitamin D
What is the function of vitamin D?
promote bone health
What are sensory receptors and glands of the skin used for?
protection of the skin and underlying tissues
What are the main roles of the Integumentary system?
- protecting internal organs from extreme temperature changes
- protecting internal environment from pathogenic microorganisms
What system is responsible for defending the body’s internal environment when the skin fails?
lymphatic system
What are the sensory organs that are embedded into the skin?
mechanoreceptors
nociceptors
Pacinian corpuscles
thermoreceptors
What are the sensory organs embedded in the skin designed to do?
detect sensory information and relay it to the brain
What are the mechanoreceptors of the skin called?
Merkel’s Cells
Meissner’s cospuscles
