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A&P Ch.5
Integumentary System
Question | Answer |
---|---|
What is the most external system, covers the body? | Integumentary system |
What consists of skin, hair, nails, and subcutaneous tissue? | Integumentary system |
What are the two major layers of the skin? | Outer epidermis Inner dermis |
Another name for skin? | Epidermis |
The cells are keratinocytes; the epidermis has several layers; thickest on the palms is called? | Stratified Squamous Keratinizing Epithelium |
What is the innermost layer; where mitosis takes place? | Stratum Germinativum |
What is the outer most layer; cells have died; all that's left is keratin which is waterproof is called? | Stratum Corneum |
What are receptors (sense of touch) called? | Merkel cells |
What is Phagocytic (triggers immune system) ? | Langerhans cells |
What produces melanin? | Melanocytes |
What is from cholesterol? | Vitamin D Production |
What has collagen and elastin fibers? | Irregular fibrous connective tissue |
What has many capillaries? | Papillary layer |
What is blood flow through the dermis helps regulate body temperature? | Arterioles |
In a warm environment your arterioles? | Dilate |
In a cold environment your arterioles? | Constrict |
What is dermis? | Glands |
What secrete sebum? | Sebaceous glands? |
What secretes cerumen (ear)? | Ceruminous glands |
Scent glands (axilla & genital areas) | Apocrine Glands (sweat glands) |
What is watery sweat for temperature regulation? | Eccrine Glands (sweat glands) |
What is superficial fascia? | Subcutaneous Tissue |
Collagen & elastin; its tissue fluid contains many white blood cells is? | Areolar Connective Tissue |
Energy storage, cushion is? | Adipose Tissue |
What are receptors for pain or heat? | Free nerve endings |
What prevents loss of water? | Stratum corneum |
What secretion helps regulate body temperature? | Eccrine Glands |
What constricts in response to cold? | Arterioles |
What produces pigment in response response to UV rays? | Melanocytes |
What regenerates the epidermis? | Stratum Germinativum |
Receptors for touch are called? | Encapsulated nerve endings |
What is the strong protein of the dermis? | Collagen |