Term
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Definition
Skin: Epidermis, Dermis, Hypodermis
Accesory: Hair, Nail, Exocrine gland
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Term
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Definition
1. Protects the body's internal living tissues
and organs.
2. Protects against invasion by infectious
Organisms.
3. Protects the body from dehydration.
4. Protects the body against abrupt changes
in temperature.
5. Helps dispose of waste materials.
6. Acts as a receptor for touch, pressure, pain, heat,
and cold.
7. Stores water and fat.
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Term
| The skin has what type of cells to react to allergenies and infections |
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Definition
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Term
| Bactiral and viral innfection What happens, main cells involved |
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Definition
Tissue Injury: Release of chemical messenger histamine
Dillation and increased "leakiness" of blood vessels migration of phagocytes to the area
Phagocytes consume the bactira and debries Cell heals
Main cells Blood vessels and Phagocytes |
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Term
| Allergic Inflamations Major cells |
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Definition
Eosinophils and Lymphocytes |
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Term
| autoimmune Inflamation Major cells |
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Definition
Neutrophils and Lymphocytes |
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Term
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Definition
Major players are Macrophages and Neutrophils |
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Term
| How dose this system aid Digestive system |
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Definition
By helping to synthesize and absorb vitamin D, Encourages more calium obsorption
digestion and assimilation of dietary fats and oils are essential for the body
to make the protective oils
skin conditions like acne are associated with
sensitivity to certain food
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Term
| How Dose the system Work with circulitory system |
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Definition
| Uses the skins surface capilaries (part of ciruciltoy system) to let certain substances be obsorbed through the skin such as the smoking patch |
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Term
| How dose system regulate Tempature |
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Definition
Brain sends singles regarding heat
Hairs can rise or lower to gain or loose more heat
Glands can release sweat to aid heat loss via Evaportaion
Cappliaries can open and close depending
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Term
| How dose system help Nervouse sysytem |
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Definition
| touch receoptors are located in our skin |
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Term
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Definition
All Four
Epithelial
Connective
Muscle
Nervouse |
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Term
| First layer of tissue (top layer) |
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Definition
Epidermis:
Stratifed squamus epithelium keratinocytes
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Term
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Definition
Dermis:
Dense Irregular connective tissue
Collagen and elastic fibers
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Term
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Definition
Hypodermis
Adipose and areoler connective tissue
Holds everything together |
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Term
| Epidermis Strucutre (keratinocyte leves) |
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Definition
1. Dead flaking off
2. About to die or just died
3. Are finishing up there cycle ready to die
4. Living keratinocytes
5. Bottom layer Stem cells |
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Term
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Definition
1.The papilarry Dermis
2. Rectiucler dermis
Collagen fibers The major protein of the dermis and 90% of the dermal fibers. Provide support
Elastic fibers 10% of the fibers in the dermis.
Return deformed skin to its resting state |
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Term
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Definition
Connective tissue (areoler and adipose=adipocytes)
Group of cells for lobuoles
Heat, fat, and shock obsorption |
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Term
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Definition
Straified squamous epithelium
All over the body excepte hands and feet Empty via ducts in hair folicule secrete sebum (mixture of fat, oil, and hydrocarbons) |
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Term
Sweat (Sudoriferous) Glands
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Definition
Two groups
1. Eccrine Glands: coiled ducts deep in the skin, connect to surface release sweat 99% water 1% salts and fat
2.Apocrine Glands: armpits, Areolar of nipples, and gentile areas, Become active at puberty, produce larger and thicker secretions |
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Term
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Definition
1. Shaft
2. Inner Root
3. Hair bulb
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Term
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Definition
Cuticle (overlapping dead cells outermost layer Most protective)
Cortex (90% of hairs weight Strength, elasticity, houses meline (color pigmint)
Medulla Composed of round cells Usally only found in dark or thick hair) |
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Term
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Definition
Nail body,bed,and Root
Lunul
Cuticle
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