Histology
This tissue type covers body surfaces, lines body cavities, and forms glands
Epithelial Tissue
What are 4 functions of the Integumentary System?
Protection, Sensory Perception, Body Temp Regulation, Storage, Absorption, Excretion, Production
What are the 3 layers of the skin?
Epidermis, Dermis, Hypodermis
What is the part of the hair that is implanted under the skin?
Hair root/follicle
What is the function of nails?
to protect the digits
The nose and ears are made of this kind of cartilage
Elastic cartilage
Name 2 ways the integumentary system protects the body.
Is a barrier from the sun’s UV rays.
Stops pathogens from getting into the body.
Holds moisture in.
Prevents outside fluid from getting into the body.
Give me 1 function of the epidermis
- Keeps out bacteria
- Keeps fluid and blood in
- Keeps extra fluid out
- Produces melanin and Vitamin D
What part of the hair is outside of the skin?
Hair shaft.
white, semilunar area of nail near the root
lunula
Where can you find hyaline cartilage?
Ribs, trachea
What is sensory perception?
The nerves help the body respond to pain, pressure, temperature and touch sensations.
What is the middle layer of skin called?
The Dermis
What gives hair its color?
Melanin
The visible part of the nail
nail body
Which tissue type is a liquid connective tissue?
Vascular tissue
How does the integumentary system regulate body temperature?
Sweating
Blood vessels
What is the hypodermis made up of?
Connective tissue and adipose tissue.
What muscles in the skin cause "goosebumps?"
Arrector Pili Muscles
The part of the nail covered by the skin.
nail root
Where do exocrine glands secrete their product?
Ducts
What does the integumentary system store?
Fat, glucose, water, vitamins and salts.
What is another name for the hypodermis layer?
Subcutaneous Layer
What are nails and hair made of?
keratin
The corneum that extends onto the nail body, which is sometimes pushed back when nails are done
cuticle
Membrane that lines cavities of freely moving joints
Synovial membrane
What are 2 things the integumentary system excretes?
Salt, waste, water, oil and heat
What is another name for striations or papillae?
Fingerprints
the portion of the nail NOT attached to skin, which will typically be the portion that will be cut
free edge
Sudoriferous glands are examples of what kinds of glands?
exocrine gland
What vitamin does the integumentary system produce?
Vitamin D
What cell produces melanin?
Melanocytes
Type of skin cancer that has the highest metastatic potential
Malignant Melanoma
Where is melanin and vitamin D produced?
The epidermis
What are the major organs and structures of the Integumentary System.
Skin, Hair, Nails, Sweat and Oil glands