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med term ch5
Integumentary system
Term | Definition |
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Abrasion | A scraping or rubbing away of skin or mucous membrane as a result of friction to the area. |
Abscess | A localized collection of pus in any part of the body. |
Albino | An individual with a marked deficiency of pigment in the eyes, hair, and skin. |
Alopecia | Partial or complete loss of hair. Alopecia may result from normal aging, a reaction to a medication such as anticancer medications, an endocrine disorder, or some skin disease. |
Amputation | The surgical removal of a part of the body or a limb or a part of a limb; performed to treat recurrent infections or gangrene of a limb. |
Basal layer | The deepest of the five layers of the epidermis. |
Blackhead | An open comedo, caused by accumulation of keratin and sebum within the opening of a hair follicle. |
Blister | A small thin- snakeskin lesion containing clear fluid ; a vesicle. |
Boil | Localized pus-producing infection originating deep in a hair follicle; a furuncle. |
Bruise | A bluish- black discoloration of an area of the skin or mucous membrane caused by an escape of blood into the tissues as a result of an injury to the area. See ecchymosis |
Bulla | A large blister |
Carbuncle | A circumscribed inflammation of the skin and deeper tissues that contains pus, which eventually discharges to the skin surface . |
Cellulitis | A diffuse acute infection of the skin and subcutaneous tissue, characterized by localized heat, deep redness, pain, and swelling. |
Cerumen | Ear wax |
Ceruminous gland | A modified sweat gland that lubricates the skin of the ear canal with a yellowish brown waxy substance called cerumen(ear wax) |
Cicatrix | A scar; the pale firm tissue that forms in the healing of a wound. |
Circumscribed | Confined to a limited space or well-defined area (as if a circle were drawn around it ) |
Collagen | The protein substance that forms the glistening inelastic fibers of connective tissue such as tendons, ligaments. And fascia. |
Comedo | The typical lesion of acne vlgaris caused by accumulation of keratin and sebum within the opening of a hair follicle(closed comedo= whitehead, open comedo=blackhead). |
Contusion | An injury to a part of the body without a break in the skin. |
Corium | The dermis, the layer of the skin just under the epidermis . |
Cryosurgery | A noninvasive treatment that uses sub freezing temperature to freeze and destroy the tissue. Coolants such as liquid nitrogen are used in the metal probe . |
Curettage | The process of scraping material from the wall of a cavity or other surface for the purpose of removing abnormal tissue or wanted material. |
Cutaneous membrane | The skin. See integument |
Cuticle | A fold of skin that covers the root of the fingernail or toenail. |
Cyanosis | |
A condition of a bluish discoloration of the skin. | |
Cyst | A closed sac or pouch in or within the skin that contains fluid , semifuid, solid material. |
Debridement | Removal of debris, foreign objects, and damaged or necrotic tissue from a wound in order to prevent infection and promote healing . |
Dermatitis Dermat/o = skin -itis= inflammation | Inflammation of the skin |
Dermatologist Dermat= skin -logist= specialist in the study of | A physician who specializes in yhe treatment of diseases and disorders of the skin. |
Dermatology Dermat/o = skin -logy = the study of | The study of the skin |
Dermis Derm/o= skin -is = noun ending | The layer of skin immediately beneath the epidermis; the corium. |
Diaphoresis | The secretion of sweat. |
Ecchymosis | A bluish black discoloration of an area of the skin or mucous membrane caused by an escape of blood into the tissues as a result of injury to the area.; also known as a bruise or a black and blue mark. |
Electrodesiccation | A technique that uses an electrical spark to burn and destroy tissue; used primarily for the removal of surface lesions . |
Epidermis Epi= upon, over Derm/o= skin -is= noun ending | The outermost layer of skin. |
Epidermoid cyst Epi= upon , over Derm/o= skin -oid= resembling | A cyst composed of cheesy material composed of sebum and epithelial debri that has formed in the duct |
Epithelium | The tissue that covers the internal and external surfaces of the body . |
Erythema | Rednesss of the skin due to capillary dilatation. An example of erythema is nervous blushing or a mild sunburn. |
Erythremia Erythr/o= red -emia= blood condition | A normal increase in the number of red blood cells; polycythemia vera. |
Erythroderma Erythr/o = red -emia= blood condition | See erythema. |
Excoriation | An injury to the surface of the skin caused by trauma, such as scratching or abrasions. |
Exfoliation | Peeling or sloughing off of tissue cells, as in peeling if the skin after a severe sunburn. |
Fissure | A crack like sore or groove in the skin or mucous membrane. |
Fistula | An abnormal passageway between two tubular organs (e.g., rectum and vagina) or from an organ to the body surface. |
Furuncle | A localized pus-producing infection originating deep in a hair follicle ; a boil. |
Gangrene | Death of tissue, most oftwn involving the extremeties. |
Hair follicle | The tiny tube within the dermis that contains the root of a hair shaft. |
Hair root | The portion of a strand of hair that is embedded in the hair follicle. |
Hair shaft | The visible part of the hair. |
Hemangioma Hem/o= blood Angi/o= vessel -oma=tumor | A benign (nonmalignant) tumor that consists of a mass of blood vessels and has a reddish-purple color. |
Heparin | A natural anticoagulant substance produced by the body tissues; heparin is also produced in laboratories for therapeutic use as heparin sodium. |
Hirsutism | Excessive body hair in an adult male distribution pattern, occurring in women. |
Histamine | A substance (found in all cells) that is released in allergic inflammatory reactions. |
Histiocyte Histi/o= tissue -cyte= cell | Macrophage; a large phagocytic cell (cell that ingests microorganisms, other cells, and foreign particles) occurring in the walls of blood vessels and loose connective tissue. |
Hives | Circumscribed, slightly elevated lesions of the skin that are paler in the center than it's surrounding edges. See wheal. |
Hydrocele Hydro/o=water -cele= swelling or herniation | A collection of fluid located in the area of the scrotal sac in the male. |
Ichthyosis Ichthy/o= fishlike or scaly -osis=condition | An inherited dermatological condition in which the skin is dry,hyperkeratotic(hardened), and fissured-resembling fish scales. |
Integument | The skin, see cutaneous membrane. |
Integumentary system | The body system consisting of the skin, hair, nails, sweat glands and sebaceous glands. |
Keratin | A hard fibrous protein found in the epidermis, hair, nails, enamel of the teeth, and horns of animals. |
Keratolytic Kerat/o= hard,horny(cornea of eye) -lytic= destruction | An agent used to break down or loosen the hard or horny(hardened) layer of the skin. |
Laceration | A tear in the skin. |
Lanugo | Soft, very fine hair that cover the body of a developing fetus; this hairy coating is almost completely gone by birth. |
Lesion | Any visible damage to the tissues of the skin, such as a wound, sore, rash, or boil. |
Lipocyte Lip/o=fat -cyte= cell | A fat cell. |
Lanula | The cresent-shaped pale area at the base of the fingernail or toenail |
Macrophage Macr/o=large Phag/o= to eat -e= noun ending | A large phagocytic cell (cell that ingests microorganisms, other cells,and foreign particles) occurring in the walls of blood vessels and loose connective tissue; see histiocyte. |
Macule | A small, flat discoloration of the skin that is neither raised nor depressed. |
Mast cell | A cell (found within the connective tissue) that contains heparin and histamine; these substances are released from the mast cell in response to injury and infection. |
Melanin Melan/o=black | A black or darkened pigment (produced by melanocytes within the epidermis) that contributes color to the skin and helps to filter ultraviolet light. |
Melanocytes Melan/o= black -cyte =cell | Cells responsible for producing melanin. |
Nail body | The visible part of the nail. |
Nodule | A small circumscribed swelling protruding above the skin. |
Oil gland | Small gland located in the dermis. |
Onycholysis Onych/o= nail -lysis=destruction or detachment | Separation of a fingernail from its bed, beginning at the free margin. |
Onychomycosis Onych/o=nail Myco/o=fungus -osis=condition | A fungal infection of the nails. |
Onychophagia Onych/o= nail -phagia= to eat | The habit of biting the nails. |
Pachyderma Pachy=thick Derm/o=skin -a=noun ending | Abnormal thickening of the skin. |
Papule | A small, solid, circumscribed elevation on the skin. |
Paronychia Par/o=beside, beyond, near Onych/o=nail -ia=condition | Inflammation of the fold of skin surrounding the fingernail; also called runaround. |
Pediculosis | Infestation with lice. |
Perspiration | The clear, watery fluid produced by the sweat glands. |
Petechia | Small pinpoint hemorrhages of the skin. |
Pimple | A papule or pustule of the skin. |
Polyp | A small stalklike growth that protrudes upwards or outward from a mucous membrane surface, resembling a mushroom stalk. |
Pores | Openings of the skin through which substances such as water, salts, and some fatty substances are excreted. |
Pressure ulcer | An inflammation, sore, or ulcer in the skin over a bony prominence of the body, resulting from loss of blood supply and oxygen to the area due to prolonged pressure on the body part. |
Pruritis | Itching |
Purpura | A group of bleeding disorders characterized by bleeding into the skin and mucous membranes |
Pustule | A small elevation of the skin filled with pus. |
Sebaceous cyst | A cyst filled with a cheesy material condition of sebum and epithelial debris that has formed in the duct of a sebaceous gland.(epermoid cyst) |
Sebaceous gland | An oil gland located in the dermis |
Seborrhea Seb/o= sebum -rrhe=flow or drainage | Excessive secretion of sebum, resulting in excessive oiliness or dry scales. |
Sebum Seb/o=sebum -um=noun ending | The oily secretions of the sebaceous glands. |
Skin tags | A small brownish or flesh-colored outgrowth of skin occurring frequently on the neck (cutaneous papilloma). |
Squamous epithelial cells | Flat scalelike cells arranged in layers (strata). |
Squamous epithelium | The single layer of flattened ladylike cells that cover internal and external body surfaces. |
Stratified | Layered |
Stratum | A uniformly thick sheet or layer of cells. |
Stratum basale | The layer of skin where new cells are continually being reproduced, pushing older cells toward the outermost surface of the skin. |
Stratum corneum | The outermost layer of the epidermis, which continually slough's off or flakes away. |
Stretch marks | Linear tears in the dermis that result from overstretching from rapid growth. |
Subcutaneous tissue Sub-= beneath, under, below Cutane/o=skin -ous= pertaining to | The fatty layer of tissue located beneath the dermis. |
Subungual hematoma Sub=beneath,under,below Ungu/o= nail Hemat/o=blood -oma=tumor | A collection of blood beneath a nail bed, usually the result of trauma. |
Sudoriferous gland | A sweat gland |
Sweat | The clear, watery fluid produced by the sweat glands; also known as perspiration. |
Sweat gland | One of the tiny structures within the dermis that produces sweat |
Telangiectasia | The permanent dilation of groups of superficial capillaries and venules. |
Ulcer | A circumscribed, open sore or lesion of the skin that is accompanied by inflammation. |
Urticaria | A reaction of the skin in which there is an appearance of smooth, slightly elevated patches(wheals) that are redder or paler than the surrounding skin and often accompanied by severe itching. |
Vesicle | A small thin-walled skin lesion containing clear fluid. |
Vitiligo | A skin disorder characterized by nonpigmented white patches of skin of varying sizes that are surrounded by skin with normal pigmentation. |
Wheal | A circumscribed, slightly elevated skin lesion of the skin that is paler in the center than it's surrounding edges.(hives) |
Whitehead | A closed comedo caused by accumulation of keratin and sebum within the opening of a hair follicle |
Xanthoderma Xanth/o= yellow Derm/o= skin -a= noun ending | Any yellow coloration of the skin. |
Xeroderma Xer/o=dry Derm/o=skin -a= noun ending | A chronic skin condition characterized by roughness and dryness. |
Bx,bx | Biopsy |
decub. | Decubitus (ulcer);pressure sore |
derm. | Dermatology |
DLE | Discoid lupus erythematosus |
EAHF | Eczema,asthma,and hay fever |
FANA | Fluorescent antinuclear antibody |
FS | Frozen section |
ID | Intradermal |
I&D | Incision and drainage |
LE | (Sytemic) lupus erythematosus |
PPD | Purified protein derivative |
PSS | Progressive systemic scleroderma |
SLE | Systemic lupus erythematosus |
subq. | Subcutaneous |
TENS | Transcutaneous electrical nerve stimulation |
ung. | Ointment |
UV | Ultra violet (light) |
XP,XDP | Xeroderma pigmentosum |