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24 Cards in this Set
- Front
- Back
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What are the components of the integumentary system? |
Skin, hair, nails, glands, sense receptors and muscle. |
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What are the two layers of skin? |
Epidermis (Upper layer) and Demis (Lower layer) |
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Where is the hypodermis located? |
Below the skin. |
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What is the characteristics of the Epidermis? |
Stratified squamous epithelium, avascular, separated into 4-5 strata. |
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What is the sublayers classified and based on? |
Cell types. |
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What are the characteristics of Stratum Basale? |
Single row of cells, that contain two types of cell: Keratinocytes and melanocytes. |
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What is the function of melanocytes? |
Product pigment for UV light protection and skin colour. |
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What is the characteristic of Stratum Spinosum? |
Limited cell division. |
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What is the characteristic of Stratum Granulosum? |
Contains dark staining granules |
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What is the characteristic of Stratum Lucidum? |
Flat dead cells and only visible only in thick skin. |
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What is the characteristic of Stratum Corenum? |
30 layers of flat dead cells filled with keratin and shed and replace from below. |
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What are the two layers of the Dermis? |
Papillary and Reticular layer. |
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Dermal Papillae? |
Projections into the epidermis that forms fermal ridges in thick skin. |
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What is Fascia? |
CT layers that surround and support organs. |
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What makes thick and thin skin different? |
In thin skin, lucidum is no apparent and has hair follicles, sebaceous glands and arrector pilli muscle. Thick skin is located only on palms, and sole of foot. |
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What are the components of hair? |
Root, shaft, bulb, hair follicle, hair matrix and hair papllar. |
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What are the components of an hair follicle? |
Root hair plexus, sebaceous gland and arrector pilli muscle. |
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What are the components of Nails? |
Nail root, body and free edge. |
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What is the function of the Sebaceous gland? |
Secrete sebum. |
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What is the function of sudoriferous gland? |
Sweat glands, cool off body and removes waste. |
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What is the function of ceruminous gland? |
Produces ear wax, modified sweat glands and are in ear canal. |
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What is the function of mammary gland? |
Produce milk. |
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What are the function of Cutaneous sense receptors? |
Respond to stimuli, such as touch, temp, pain. |
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What are the major types of sense receptors? |
Touch, pressure, thermoreceptor, nociceptors |
