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BodySys1 - Integumen
Medical Terminology
| Term | Definition |
|---|---|
| integumentary system | system of the body that consists of the skin and skin components such as nails and hair |
| cells | basic structural and functional units of life in the human body |
| tissue | group of many cells performing the same function |
| organs | groups of tissue that carry out important functions in the body |
| blood vessels | tubes that carry blood and nutrients throughout the body |
| immune cells | maintain the body’s defense against foreign and infectious material |
| liquid | drug that has no solid shape |
| Langerhans cells | specialized cells that are vital to immune response |
| nerve cells | responsible for sensing external changes in the environment, such as temperature changes |
| fat cells | responsible for storing fats in the body |
| blood cells | contribute to the formation of blood, including red and white blood cells |
| keratin | type of protein used by the body to form tough tissues such as skin |
| keratinocytes | specialized skin cells that produce keratin |
| collagen | protein found in the skin that provides firmness and strength |
| elastin | protein found in the skin that provides elasticity |
| elasticity | ability of the skin to stretch, expand, and restore its shape |
| melanocytes | specialized skin cells that produce melanin |
| melanin | pigment that gives skin its color |
| freckles | small light or medium brown spots on the skin that show up when melanin is not evenly distributed |
| moles | slightly raised blemishes that occur when there are large clusters of melanocytes |
| epidermis | outermost layer of skin that also contains nails and hair |
| dermis | middle layer of skin; often called the dermal layer |
| hypodermis | innermost layer of skin; often called the hypodermal layer |
| stratum corneum | layer of dead cells that forms the outermost layer of epidermis |
| stratum lucidum | clear layer of dead cells only found in the epidermis of the palms of the hands and feet |
| stratum granulosum | deep epidermal layer of skin that accumulates keratin |
| stratum spinosum | deep epidermal layer of skin that produces keratin |
| stratum basale | deepest epidermal layer, which contains melanocytes, immune cells, and touch receptors |
| bacteria | single-celled organisms that may be harmful or helpful in the body |
| skin microbiome | harmless bacteria that live on the surface of the skin and may provide health benefits |
| sweat glands | structures in the skin that release sweat |
| cholesterol | waxy substance needed for hormone production and for growing cells |
| hormones | chemicals produced by cells that serve as messages, affecting the function of other cells |
| vitamins | compounds essential for human growth |
| homeostasis | process of maintaining a stable physiologic environment, such as temperature |
| homeostatic imbalance | failure to maintain a stable internal environment |
| pH | a measure of how acidic or basic a substance is |
| infection | presence and multiplication of harmful foreign microorganisms, or pathogens, in the body |
| warts | irregular skin growths that are caused by the human papillomavirus (HPV) |
| thermoregulation | process of achieving a normal and stable body temperature |
| hyperthermia | condition in which the body becomes overheated |
| hypothermia | condition in which the body temperature drops to dangerously low levels |
| vasodilation | the enlarging of blood vessels to increase internal heat loss, thereby cooling the body |
| vasoconstriction | the process of constricting, or reducing the size of, the blood vessels to heat the body |
Created by:
rleroux
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