Functions of the skin
Layers of the Epidermis
Layers of the Epidermis
The life history of a Keratinocyte
Skin
100
Keratin, and Acid Mantle, Are a resistance to What?
What is Trauma and Infection?
100
TA single layer of cuboidal to low columnar stem cells and keratinocytes resting on the basement membrane is?
What is Stratum Basale?
100
This consists of 3-5 layers of flat keratinocytes, and coarse dark-staining keratohyalin granules.
What is Stratum Granulosum?
100
These are produced deep in the epidermis by stem cells in stratum basal.
What is Keratinocytes?
100
What are the 2 layers of the dermis?
What is papillary layer and reticular layer?
200
What are the barrier functions of the skin?
What is Water proofing, UV radiation, and Harmful Chemicals?
200
These 2 things are scattered among the stem cells and keratinocytes.
What is Melanocytes, and Tactile Cells?
200
This has up to 30 layers of dead, scaly, keratinized cells, form a durable surface layer,and is resistant to abrasion, penetration, and water loss.
What is Stratum Corneum?
200
______ requires an abundant supply of oxygen and nutrients.
What is Mitosis?
200
What is the most significant factor in skin color, and produced by melanocytes?
What is Melanin?
300
Liver and kidneys complete the process of what?
What is Vitamin D synthesis?
300
These give rise to keratinocytes that migrate toward skin surface, and replace lost epidermal cells.
What is Stem Cells of Stratum Basale?
300
This is seen only in thick skin.
What is Stratum Lucidum?
300
Keratohyalin release a protein called?
What is Filaggrin?
300
The amount of melanin also varies with exposure to?
What is UV rays of sunlight?
400
Thermoregulation, has?
What is Thermoreceptors and Vasoconstriction/vasodialation?
400
Stratum Spinosum do what?
What is produce more and more Keratin Filaments, which causes cell to flatten?
400
Keratinocytes are densely packed with what?
What is Eleiden?
400
this forms between stratum granulosum and stratum spinosum.
What is Epidermal water barrier?
400
name the 2 types of skin color.
What is Hemaglobin, and Carotene?
500
This is administration of certain drugs steadily through thin skin via adhesive patches.
What is Transdermal Absorption?
500
This consists of several layers of Keratinocytes.
What is Stratum Spinosum?
500
This is the thickest Stratum in most skin, and the deepest cells remain capable of mitosis.
What is Stratum Spinosum?
500
What proliferates as cells are shoved upward?
What is Cytoskeleton?
500
What is Cyanosis?
What is Blueness of the skin from deficiency of oxygen in the circulating blood?
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