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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 |