Ch. 7 Integumentary Word Scramble
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Question | Answer |
Epidermis | Outer layer of skin |
Dermis | Middle Layer of skin thicker than the |
Basement Membrane | Seperates Dermis and Epidermis |
Subcutaneous Layer | Deepest layer of skinContains Most major blood vessels of skin |
Keratinization | when strands of tough fibrous waterproof keratin proteins are synthesized and stored within a cell. |
Calluses/ Corns | Increased thickness of skin where layers are often rubbed away. |
Stratum Corneum | Outtermost layer of epidermis Made of layers of keratinized dead cells that are flattened and nonnucleated |
Stratum Lucidum | Between Stratum Corneum and Stratum granulosum on soles and palms Appear Clear nuclei organelles and cell membranes are no longer visible |
Stratum Granulosum | Beneath stratum corneum3-5 layers of flattened granular cells that contain shrunken fibers of keratin and shriveled nuclei |
Stratum Spinosum | Beneath Stratum GranulosumMany Layers of cells with centrally located large oval nuclei and developing fibers of keratin cells becoming flattened |
Stratum Basale | Deepest Layer Single row of cuboidal or columnar cells that divide and growincludes melanocytes |
Melanocytes | Pigmented cells |
Cytocrine Secretion | Process of melanocytes sharing pigment with epithelial cells through their extensions |
Hair Follicle | tubelike depression that hair grows from |
Hair Root | Portion of hair embedded in skin |
Eumelanin | brownish black melanocytes |
Pheomelanin | redish yellow melanocytes |
Albanism | Condition of lacking melanin altogether |
Nails | Protective coverings on the end of fingers and toes |
Nail Bed | Surface layer of skin |
Nail Plate | Overlays Nail bed |
Lunula | Whitish thickened have moon shaped region of nail |
Sebaceous Glands | Holocrine glands that produce globules of a fatty material that accumulate, swelling and bursting of cellsKeep hair soft pliable and waterproofNear or connected to hair follicles |
Sebum | mix of cellular debris and fatty material |
Sweat Glands | glands that secreat sweat |
Eccrine Glands | Assist in body coolingUsed as part of Excretory function |
Appocrine Glands | Secrete fluid and have a scent do to skin bacteria Activated at puberty |
Radiation | Infared heat rays escape from warmer surfaces to cooler surroundings |
Convection | Continual circulation of air over a warm surface |
Evapoation | Sweat released fluid evaporates and carries heat away from skin cooling |
Hypothermia | Lower than normal body temperature |
Hyperthermia | Increased body temperature higher than normal |
UV Lights | darken skin may cause cancer |
Cyanosis | oxygen in blood concentration is lowered and skin looks bluish |
Inflamation | normal response to injury or stress |
Growth factors | Stimulate certain cells to divide |
Scar | darker connective tissue left after a cut |
First Degree Burn | only burnt through first layer of skin |
Second degree Burn | Burnt through dermis |
Third Degree Burn | Burnt through all layers of skin |
Created by:
Kjg11
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