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Anatomy Ch. 4
The Integumentary System
| Question | Answer |
|---|---|
| the ____________________system is the largest human organ system | integumentary |
| the ____________ distinct layers of skin carry out most of the functions of the integumentary system | three |
| the skin's ability to lose or retain body ___________ plays a major role in regulating body temperature. | heat |
| _____________are the most likely type of damage that significantly impair skin function | burns |
| the integumentary system is composed of the following: _________________, connective tissue structures, ________________, ________________, nails, _______________ | blood vessels, glands, hair, skin |
| the integumentary system is formed by _______________ and ___________________ | ectoderm and mesoderm |
| skin is composed of three distinct layers: _________________, ___________________, ______________________ | epidermis, dermis, subcutaneous layer or hypodermis |
| the ____________________is composed of stratified squamous epithelium and is divided into five or six discernable layers | epidermis |
| the upper layers of the skin fill with ________________ and die | keratin |
| the ________________is primarily dense irregular connective tissue | dermis |
| three types of fibers are found in the dermis: _____________________, ___________________, ___________________ | collagen, elastin, reticulin |
| the dermis contains ______________ and ________________ | nerves and blood vessels |
| the subcutaneous layer contains _______________ tissue | adipose |
| the skin contains several types of ___________ | glands |
| ________________provide the skin with sensation | nerves |
| ________________are sheets of dried, flattened, keratinized cells. | nails |
| ____________________is composed of cylinders of kerinized cells | hair |
| skin provides four functions for the body: ______________________, ____________________, ___________________, ______________________ | protection, heat regulation, sensation, waste excretion |
| diseases of the integumntary system come in three catagories: ____________________, _________________, ____________________ | degenerative, genetic, infectious |
| some of skin aging is due to _________________ factors | intrinsic |
| some of skin aging is due to _________________or _______________________ factros | extrinsic or evironmental |
| ___________________may accelerate skin aging | lifestyle |
| _________________factors secreted by the embroyonic skin induce the growth of blood vessels into the skin during development | angiogenic |
| a ___________________is the pigment cell of the skin and secretes melanin in response to sun exposure | melanocyte |
| the three barriers of skin are _______________, __________________ and __________________ | chemical, mechanical, microbial |
| _______________organisms on the skin protect the skin from underlying structures from pathogenic bacteria | commensal |
| ______________skin aging is due to the natural decline of cells | intrinsic |
| ______________aging is due to environmental factors such as sunlight | extrinsic |
| the outermost layer of the skin forms from the embryological germ layer ______________and develops into ___________ epithelial tissue | ectoderm, stratified squamous |
| the innermost layer of the epidermis is known as the ______________________ | stratum germinativum |
| the skins ability to detect environmental stimuli is due to its many specialized nerve cells, which are called ___________________ | sensory receptors |
| _______________is a condition of hypopigmentation | vitiligo |
Created by:
Lauren G.
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