Epidermis
What is the most superficial layer of the epidermis?
Stratum Corneum
What are the two layers of the dermis?
Papillary Layer and Reticular Layer
Cutaneous receptors are responsible for sensing ______.
Touch
As you move north or south, UV radiation _________. (increase, decrease, stays the same)
Decreases.
What is the layer of tissue under the dermis called?
Hypodermis
What layer of the epidermis is only in thick skin like your palms or soles?
Stratum Lucidum
What layer is responsible for finger prints?
Papillary Layer
Where does your body have a high density of cutaneous receptors?
fingertips
Melanocytes are in the stratum _________ and produce _________.
Basale; Melanin
Which layer of the integumentary system is avascular?
Epidermis
Name the five layers of the epidermis in order from superficial to deep.
What structure in the dermis is responsible for excreting oil onto the surface of the epidermis?
Sebaceous Gland
When you are cold you produce "goosebumps." What structure is responsible for this?
Arrector Pili Muscle
If you live near the equator and have little amounts of melanin. What are two concerns?
Increased chance of skin cancer
Decreased amounts of folate
Melanoma is cancer that originates in what cell?
Melanocytes
In this layer of the epidermis cells go through rapid mitosis to replace cells.
Stratum basale
What type of tissue makes up the dermis?
Connective Tissue
If a pathogen breaks through the epidermis, you have immune response cells in the epidermis that can start to trigger an attack. What are these cells called?
Langerhans or Dendritic Cells
If you have high amounts of melanin and live in the north of the globe, what may be a concern?
Not enough Vitamin D
What skin cancer is most prevalent but has the best survival rate?
Basal Cell Carcinoma
What cell type is most prevalent in the epidermis?
Keratinocytes
What structure in the dermis responsible for pimples that form on the surface of the epidermis?
Sebaceous glands
These cells are located in the epidermis and are attached to the end of a neuron. They help relay information about touch. What are they called?
Merkel Cells
What is a main reason we need Vitamin D?
Name the 11 body systems in the human organism.
Integumentary, Muscular, Skeletal, Circulatory, Respiratory, Digestive, Endocrine, Reproductive, Nervous, Lymphatic, Urinary