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Integument
Chapter 5
| Question | Answer |
|---|---|
| What is Integument? | Largest organ |
| What is the 1st layer of integument? | Epidermis |
| How many layers are in the epidermis? | Five |
| Name the layer from deep to superficial | Stratum Basale, Stratum Spinosoum, Stratum granulosum, stratum lucidum, stratum corneum |
| Which layer is thick skin only? | Stratum Lucidum |
| What cell types make up stratum basale? | low columnar cells |
| What 3 cells occupy the stratum basale? | keratinocytes, melanocytes, tactile |
| What is the stratum spinosom made of? | several layers of keratinocytes |
| How many layers of keratinocytes make up the stratum granulosum? | 3 to 5 |
| Most superficial layer of the epidermis? | Stratum Corneum |
| Where is thick skin found? | Palms of hands and soles of feet |
| Where is thin skin found? | All over body |
| What is the 2nd layer of the integument? | Dermis |
| What is the dermis composed of? | connective tissue proper |
| What is the 1st layer of the dermis? | Papillary layer |
| What is the papillary layer composed of? | areolar connective tissue |
| What is the 2nd layer of the dermis? | Reticular layer |
| What is the reticular layer composed of? | dense irregular connective tissue |
| What is the 3rd layer of integument? | Subcutaneous layer |
| True or false -the subcutaneous layer considered part of the integument? | False |
| What is the subcutaneous layer composed of? | areolar connective tissue and adipose connective tissue |
| What is the first function of the integument? | Protection |
| What is the 2nd function of the integument? | Prevention of water loss and gain |
| What is the 3rd function of integument? | Metabolic Regulation |
| What is the 4th function of integument? | Immune Function |
| What is the 5th function of integument? | Temperature Regualtion |
| What is the 6th functuon of integument? | Sensory Reception |
| What are the two most common types of exocrine glands? | sweat glands and sebaceous glands |
| What are the two different types of sweat glands? | merocrine and apocrine |
| What is the function of the merocrine sweat gland? | Thermoregulation |
| Where are merocrine sweat glands? | all over body |
| Where are apocrine sweat glands? | in hair follicles |
| What is the second exocrine gland? | Sebaceous gland |
| What do sebaceous glands secret? | Sebum |
| What are the other two integumentary glands? | Ceruminous glands and mammary glands |
| Where is the ceremonies gland located? | In external acoustic meatus |
| Where is the mammary gland located? | Breasts |