Term
| what is the largest organ in the body? |
|
Definition
|
|
Term
| the skin consists of 2 main layers. what are they? |
|
Definition
|
|
Term
| Name 2 functions of the skin. |
|
Definition
protect from the sun Protect from bacteria |
|
|
Term
|
Definition
| areas subjected to a lot of pressure (feet and palms) |
|
|
Term
|
Definition
| most superficial area of skin. made up of stratified squamous epithelial cells. |
|
|
Term
the epidermis is made up of 5 layers. what are they? |
|
Definition
stratum corneum startum lucidum stratum granulosum stratum spinosum stratum basale |
|
|
Term
|
Definition
| most superficial layer of the epidermis. consists of 25-30 layers of flat, dead cells that are filled with keratin (water proof) |
|
|
Term
|
Definition
| only found in palms and bottoms of feet. |
|
|
Term
|
Definition
| just deep to the s. lucidum (when s. lucidum is present). It is the lightest shade of gray/purple. |
|
|
Term
|
Definition
| a darker shade of gray/purple than the s. granulosum. It is the layer below the s. granulosum. |
|
|
Term
|
Definition
| single layer of cuboidal of columnar-shaped cells. These cells are capable of continued cell division. |
|
|
Term
|
Definition
| the pink layer inferior to the epidermis. |
|
|
Term
| What are the 2 major components that make up the dermis? |
|
Definition
papillary layer reticular layer |
|
|
Term
|
Definition
|
|
Term
|
Definition
| made up of dense irregular connective tissue with collagen and elastic fibers. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| a purple extension of the epidermis that surrounds the root of the hair. |
|
|
Term
|
Definition
| the part of hair that protrudes from the skin |
|
|
Term
|
Definition
| the part that is embeded in the skin |
|
|
Term
|
Definition
| enlarged, onion-shaped end of the root. |
|
|
Term
| dermal papilla of the hair |
|
Definition
| nipple-shaped indentation inside the bulb |
|
|
Term
|
Definition
| when it contracts hair stands on end. |
|
|
Term
|
Definition
| 4 coiled elements within the dermal reticular region. Each gland has a duct that extends superiorly to the surface of the skin. Secrete sudor (sweat). |
|
|
Term
| apocrine sudoriferous gland |
|
Definition
| large yellow structure in the dermal reticular region. Also produces sudor (sweat). Becomes active when person hits puberty. |
|
|
Term
|
Definition
| deep to the dermis (subcutaneous layer). This layer is NOT a part of the skin but serves to attach the skin to underlying structures. |
|
|
Term
|
Definition
| a black structure that branches as it approaches the dermal papillae. It is a free nerve ending that responds to pain stimuli. |
|
|
Term
|
Definition
| found at the junction between the dermis and hypodermis. Resembles a Bonsai tree. This receptor responds to vibration. |
|
|
Term
|
Definition
| found in the dermis, branching structures that resemble blood vessels except they are white. These vessels transport lymph with immune cells. |
|
|
Term
|
Definition
| found in the hypodermis, round structure divided internally into fascicles which contain fibers. |
|
|
