Anatomy and Physiology - Chapter 6 Vocabulary
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Created by:
whittwhitt on February 11, 2012
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29 terms
Terms | Definitions |
|---|---|
 Albinism | the absence of skin color |
| Arrector Pili Muscle | consists of smooth muscle fibers attached to a hair follicle that causes the goose flesh appearance when you are scared or have chills |
| Callus | a thickened area skin developed from an excessive amount of friction |
| Corns | caused by an abrasion on bony prominerices on the foot |
| Cyanosis | bluish discolor of the skin caused by lack of oxygen in blood |
| Dermis | second layer of skin; also called the corium |
| Epidermis | top layer of skin |
| First Degree Burn | sx: redness, pain, and swelling involves epidermis and heals with no scarring |
| Full-thickness Burn | burn in which the epidermis and dermis are completely destroyed; also called a third degree burn |
| Hair Follicle | an epidermal tube surrounding an individual hair |
| Hypodermis-subcutaneous Layer | layer lies below the skin and is made up of loose connective and adipose tissues. There is no distinct boundary between it and the lower portion of the dermis |
| Keratin | a protein material |
| Keratinization | a process by which epidermis cells change shape, composition, and lose water as they move to the higher layers and become mainly protein and die |
| Malignant Melanoma | skin cancer associated with mole on skin |
| Melanocytes | cells responisble for producing melanin |
| Melanin | pigment responsible for variations in skin color |
| Partial-thickness Burn | first and second degree burns |
| Sebaceous Glands | glands that secrete sebum |
| Sebum | oily substance that lubricates the skin's surface |
| Second Degree Burn | sx: blisters, pain involves the epidermis and dermis and may form scars |
| Squamos Cell Carcinoma | skin cancer in the epidermis |
| Stratum Basale | lowermost (basal) layer of the stratum germinativum |
| Stratum Corneum | outermost layer of epidermis and consists of dead cells |
| Stratum Germinativum | regenerative layers epidermis, lowermost layer |
| Stratum Granulosm | layer epidermis made of flattened cells containing granules |
| Stratum Spinosum | spiny and prickly layer of epidermis |
| Sweat Glands | simple tubular glands found in most parts of body that secrete sweat |
| Basal Cell Carcinoma | most common type of skin cancer |
| Third Degree Burn | sx: no pain burn in which the epidermis and dermis are completely destroyed, also called full thickness burn |
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