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Maders Prado chapt 5
integumentary system
Question | Answer |
---|---|
what are the 4 main parts of the integumetary system? | Skin, Hair, Nails, and Glands |
What is another name for the integumentary system? | Subcutaneous |
Reason for skin? | Cushioning and insulation, protection, and waterproofing. |
What is the outermost layer of the skin? | Epidermis made of stratified squamous epithelium. |
What is the thinest layer of the skin? | Epidermis |
How many layers is the epidermis? | 4 or 5 depending on location. |
What are the layers of the epidermis from deep to superficial? | Stratum basal, stratum spinosum, stratum granulosum, stratum lucindum (in some areas), and stratum corneum. |
Where do epidermal cells rise from? | Basal layer |
What is the purpose of Keratinocytes? | It is a protein for waterproofing. |
What do Melanocytes do? | Produce melanin |
What two pigments are there? | Melanin and carotene. |
What are Langerhans cells? | Type of white blood cell |
What layer does hair follicles, glands, blood vessels and nerve receptors located? | In the dermis |
What is the innermost layer of skin called? | hypodermis |
The hypodermis is made of ______ connective tissue. | Loose |
The accessory structures of the integumentary system are the Hair, Nails, and ____. | Glands |
Arrector Pili muscles are what type of muscle? | Smooth |
Name three glands invoved with the integumentary system. | Sweat, sebaceous, and mammary |
What are the two types of sweat glands? | Eccrine, apocrine. |
Where to the eccrine glands open to? | Pores on the skin surface. |
Where are the apocrine glands located? | Axillary, anal, and groin. |
what is the role of subcutaneous fat? | Regulate body temperature |
If our superficial vessels vasodialated what is the result? | Blushing |
Superficial vessels vasoconstriced what is the result? | We get cold. |
Three events of wound healing are Arrival and action of immune system cells, ______ (two words), and basal leyer replaces epidermis. | Fibroblast activity |
A partial thickness burn is what degree(s)? | First and Second |
Full thickness burn is what degree(s)? | Third |