Term
| What is the Integumentary system? |
|
Definition
| The Integumentary system includes your skin, nails, hair and glands. |
|
|
Term
| What are the two main regions of the skin? |
|
Definition
| The epidermis and the Dermis. |
|
|
Term
| What are the key functions of the integumentary system? |
|
Definition
- Protects the body from physical trauma, invasions by pathogens and water loss
- Helps regulate the body temperature
- Provides sensory perception of the world around you
- Synthesizes chemicals such as melanin and vitamin D
|
|
|
Term
What and where is the epidermis? |
|
Definition
- The thin, outer layer of the skin.
- Made of epitherlial tissue
- Cells in the very top cells are dead, and become filled with keratin creating a waterproof barrier.
|
|
|
Term
| What are Langerhans cells? |
|
Definition
| They are a type of white blood cells that are present in all layers of the epidermis, but are most prominent in the stratum spinosum they help fith pahogens. |
|
|
Term
| What and where are Melanocytes? |
|
Definition
| Melanin producing cells located in the bottom layer of the epidermis, (in the stratum basale). Melanocytes contribute to the darker pigaments in a persons skin tone. |
|
|
Term
| What and where is the Dermis? |
|
Definition
- The Dermis is the desne fiberous connective tissue
- the thick inner layer of skin.
- Contains elastic and collagen fibers
- conatins blood vessels
- contains sensory receptos
- contains glands
|
|
|
Term
| What is the layering of a skin cell? |
|
Definition
Epidermis
stratum granulosum
stratum spinosum
stratum basale
Dermis
Hypodermis (Superficial fascia) |
|
|
Term
| What are the two major cell types within the skin? |
|
Definition
keratinocytes
melanocytes |
|
|
Term
| What is the layering structre of a body hair? |
|
Definition
Hair shaft
arrector pili
Sebacecous Gland
Hair Root
Hair buld in follicle
[image] |
|
|
Term
| What is a sebaceous gland? |
|
Definition
- microsopic glands in the skin that produce Sebum, to help waterproof the body.
- The largest collection of them are in the face and the scalp
- don’t have their own pore, use the hair follicle as their pore
|
|
|
Term
| what and where is a Eccrine Gland? |
|
Definition
- The eccrine gland are the major glands of the body.
- They produce a clear odarless substance.
- simple coiled tube has it's own core aqueous
- found in nearly all skin
|
|
|
Term
| What and where is the Apocrine Gland? |
|
Definition
- Similar to Eccrine glands
- Used in Theraml Regulation
- The solution has added fat which creates the smell from sweating
|
|
|
Term
| What makes up the Skin Derivatives? |
|
Definition
- deriviatives of the epidermis
- include hair
- hair follicles
- sebaceous (oil) glands
- sweat glands
- nails.
|
|
|
Term
|
Definition
keratinized stratified squamous epithelium with four distinct cells and four or five distinct layers. In defined rings.
|
|
|
Term
| What is the purpose of hair? |
|
Definition
- pretty
- sensory reception
- protection
- thermal regulation
|
|
|
Term
|
Definition
- The hair bulb is the base of the hair follicle.
- It is vascular ( meaning it has its own blood supply in the bulb)
- It uses this blood supply to grow the hair
- It also contains nerve cells
|
|
|
Term
| What is the Hair Follicle? |
|
Definition
| incases the hair, grows the hair epidermal tissue encasing the hair. |
|
|
Term
| What is the Root Hair Plexus? |
|
Definition
| nerve endings that wrap the base of every follicle. |
|
|
Term
| what is the arrector pili Muscle? |
|
Definition
| smooth muscle involuntary, attaches your follicle to your epidermis. |
|
|
Term
Skin Cell Diagram Number:
1. |
|
Definition
|
|
Term
Skin Cell Diagram Number:
2 |
|
Definition
|
|
Term
Skin Cell Diagram number:
3 |
|
Definition
|
|
Term
Skin Cell diagram number:
4 |
|
Definition
|
|
Term
Skin Cell Diagram number:
5 |
|
Definition
|
|
Term
Skin Cell diagram number:
6 |
|
Definition
|
|
Term
|
Definition
|
|
Term
skin cell diagram number:
8 |
|
Definition
|
|
Term
Skin Cell Diagram number:
9 |
|
Definition
|
|
Term
Skin cell diagram number:
10 |
|
Definition
|
|
Term
skin cell diagram number:
11 |
|
Definition
|
|
Term
Skin Cell Diagram Number:
12 |
|
Definition
|
|
