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Integ. Syst.
Chap. 5
| Question | Answer |
|---|---|
| The Integumentary system contains: | Skin,hair, nails,sweat glands & oil glands |
| What are the 5 purposes of the skin? | protect the body, regulate body temp., sensory receptors,Absorb vitamins, Provide elimination of waste through sweat |
| How does the skin regulate body temperature? | prevents excess loss of heat to keep our organs and us warm. Sweat glands release fluid which cools body temp when it evaporates. |
| How does the skin protect the body? | Protects from the entrance of microorganisms. protects against injury to underlying bony structures. |
| How do sensory receptors in the skin work? | They sense touch,pressure, pain and temperature. |
| How does the body eliminate waste through the skin? | Through perspiration, water, sodium and fat substances. |
| Which Vitamin is essential for bone growth? | Vitamin D which is absorbed through the skin from the sun. |
| The study of the skin is called | dermatology |
| The physician who specializes in the stucy of the skin is called a | dermatologist |
| The Outer Layer of the skin is what and contains what? | Epidermis- contains no blood or nerves |
| What is another name for Dermis? | Corium |
| What does the Corium contain? | tissue,capillaries,sweat & oil glands, nerve endings and Hair follicles. |
| What is the Subcutaneous layer made up of? | adipose(fatty)tissue, many nerves,vessels, sweat glands&hair roots. |
| What role does the Subcutaneous layer play in our body? | connects skin to muscles.Serves as insulation to the body&protects deeper tissue. |
| Where is the Hair root embedded? | in the hair Follicle |
| What colors does Melanin provide? | Brown or Black |
| What is the part of the hair we see? | Hair shaft |
| Melanin+Iron | Red hair |
| Absence of Melanin | White hair |
| Reduced Melanin | Grey hair |
| What is the purpose of the nail? | to provide protection to fingertips and toes. |
| What is the crescent-shaped white area at the base of a nail? | Lunula |
| What is the Cuticle? | fold of skin at the base of the nail |
| What is the nail body also known as? | the Main Portion of the nail |
| What glands are deep within the Dermis? | Sudoriferous(sweat,perspiration) & sebaceous glands |
| Where are the many glands located? | palms of hands,soles of feet, forehead and armpit. |
| Does sweat itself smell bad? | NO, it is odorless. It only smells when mixed with BACTERIA |
| If you have body odor what type of soap should you use? | Antibacterial |
| What is another name for Sebaceous glands? | oil glands |
| What to Sebaceous glands secrete? | Sebum |
| Where is Sebum secreted? | up the hair shaft,lubricating the hair keeping the skin soft& moist. |
| If the Sebaceous gland becomes blocked(usually at the pore) what happens? | you get a pimple or blackhead. |
| what does the Ceruminous gland produce? | Cerumen, which lubricates the skin in the ear canal. |
| thin flakes of hardened epithelium shed from the epidermis | Scales |
| A small brownish or flesh colored outgrowth of skin.Occurring frequently on the neck AKA Cutaneous papilloma | skin tags or cutaneous papilloma |
| A sweat gland | Sudoriferous gland |
| tiny structures w/in the epidermis that produce sweat, which carries waste products to the surface of the skin for excretion | sweat gland AKA Sudoriferous gland |
| A circumscribed open sore or lesion of skin that is accompanied by inflammation. | Ulcer |
| Small stalk-like growth that protrudes upward or outward from a mucous membrane surface, resembling a mushroom stalk. | polyp |
| Small,pinpoint hemorrhages of the skin. | Petechia |
| A small,solid,circumscribed elevation on the skin. | Papule |
| Any fungal infection of the nails. | Onchymycosis |
| A black or dark pigment that contributes color to the skin and helps filter UV light. (produced by melanocytes w/in the epidermis) | Melanin |
| Cell responsible for producing melanin. | Melanocyte |
| Typical lesion of acne vulgaris caused by accumulation of keratin & sebum w/in the opening of a hair follicle | Comedeo Closed=whitehead Opened=blackhead |
| A small, flat discoloration of the skin that is neither raised or depressed | Macule |
| A tear in the skin | Laceration |
| The skin | Integument |
| A substance(found in all cells)that is released in allergic inflammatory reactions. | Histamine |
| A benign tumor that consists of a mass of blood vessels and has a reddish-purple color. | Hemangioma |
| A crack-like sore or groove in the skin or mucous membrane. | Fissure |
| Localized pus-producing infection originating deep in a hair follicle. | Furuncle AKA Boil |
| The tiny tube w/in the dermis that contains the root of a hair shaft. | Hair Follicle |
| The layer of skin immediately beneath the epidermis. | Dermis AKA Corium |
| Fatty tissue | Adipose |
| Corium | Dermis;the layer of skin immediately beneath the epidermis |
| A physician who specializes in the treatment of diseases&disorders of the skin | Dermatologist. |
| A diffuse ACUTE infection of the skin & subcutaneous tissue,characterized by localized heat, deep redness, pain,& swelling | Cellulitis |
| Lunula | crescent-shaped pale area at the base of the fingernail or toenail |
| Infestation with Lice | Pediculosis |
| Itching | Pruritus |
| Oily secretions of the sebaceous glands | Sebum |
| The outermost layer of the skin | Epidermis |
| Linear tears in the dermis resulting from overstretching from rapid growth. AKA Stria | Stretch marks or Stria |
| fatty layer of tissue located beneath the dermis | Subcutaneous tissue |
| clear,watery fluid produced by sweat/Sudoriferous glands;AKA perspiration | Sweat |
| A scraping or rubbing away of skin or mucous membrane as a result of friction to the area. | Abrasion |
| A localized collection of pus in any party of the body. | Abscess |
| Partial or complete loss of hair. May be due to aging,reaction to meds,endocrine disorder or skin disease. | Alopecia |
| small,thin-walled skin lesion containing clear fluid AKA vesicle | Blister |
| bluish-black discoloration of an area. AKA bruise | Ecchymosis |
| Ear wax | Cerumen |
| non-invasive treatment using sub freezing temps. to freeze & destroy the tissue. Coolants such as liq. nitrogen are used in the metal probe | Cryosurgery |
| process of scraping material from the wall of a cavity or surface for the purpose of removing abnormal tissue or unwanted material. | Curettage |
| Removal of debris,foreign objects, & damaged necrotic tissue from a wound in order to prevent infection and to promote healing. | Debridement |
| inflammation of the skin | Dermatitis |
| A technique that uses an electrical spark to burn and destroy tissue;used primarily for the removal of surface lesions. | Electrodessication |
| The tissue that covers the internal and external surfaces of the body. | Epithelium |
| Redness of the skin due to capillary dilation (ex:sunburn,nervous blushing) | Erythema |
| An abnormal increase in the number of red blood cells; polycythemia vera | Erythremia |
| inflammation,sore,or ulcer in the skin over a bony prominence of the body. | Bed Sore |
| Tissue death due to the loss of adequate blood supply, invasion of bacteria, & subsequent decay of enzymes (esp. proteins) - producing an offensive odor. | Gangrene |
| An acute viral infection characterized by painful vesicular eruptions on the skin following along the nerve pathways of underlying spinal or cranial nerves. | Herpes Zoster AKA Shingles |
| Contagious superficial skin infection characterized by serous vesicles & pustules filled with millions of staphylococcus or streptococcus bacteria, usually forming on face. | Impetigo |
| Vascular malignant lesions that begin as soft purple-brown nodules or plaques on the face and oral cavity but can occur anywhere on the body & gradually spread throughout the skin. Only common to AIDS patients. | Kaposi's Sarcoma |
| white,hard, thickened patches firmly attached to the mucous membrane on the mouth, vulva, or penis. | Leukoplakia |
| An enlarged,irregularly shaped, and elevated scar that forms due to the presence of large amounts of COLLAGEN during the formation of a scar. | Keloid |
| Malignant skin tumor originating from melanocytes in preexisting nevi(moles),freckles,or skin w/pigment;darkly pigmented cancerous tumor. | Malignant Melanoma *asymmetry-flat&elevated parts *borders-leakage across borders or margins irregularly shaped |
| Onychomycosis | fungal infection of the nails |
| A common noninfectious chronic disorder of the skin manifested by silvery-white scales covering round,raised, reddened plaques producing itching(Pruritus) | Psoriasis |
| Highly contagious parasitic infestation caused by the "human itch mite{" resulting in a rash,pruritus,and slightly raised thread-like skin lines. | Scabies |
| Chronic inflammatory skin disease that mainy affects the skin of the middle third of the face. the individual had persistent redness over the areas of the face, nose and cheeks. | Rosacea |
Created by:
First Institute
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