| Term | Definition |
| Melanocytes | A pigment-producing cell that becomes more active in the presence of ultraviolet light |
| Dermis | The "true skin" or corium, has a framework of connective tissue and contains many blood vessels, nerve endings, and glands |
| Keratin | The protein in the epidermis that thickens and protects the skin |
| Stratum corneum | The uppermost layer of the epidermis, consisting of flat, keratin-killed cells |
| Integument | Another name for the skin as a whole |
| Dermal papillae | Portions of the dermis that extended into the epidermis |
| Stratum basale | The deepest layer of the epidermis, which contains living, dividing cells |
| Elastic fibers | Connect the subcutaneous tissue with the dermis |
| Adipose tissue | Insulates the body and acts as an energy reserve |
| Nerves | Carry sensory information from the skin to the brain |
| Blood vessels | Supply skin with nutrients and oxygen |
| Cyanosis | A condition in which the skin takes on a bluish discoloration |
| Carotenemia | A condition in which the skin takes on a yellowish discoloration due to excess carrot comsumption |
| Pallor | Palenes of the skin |
| Flushing | Redness of the skin, often related to fever |
| Jaundice | A condition in which the skin takes on a yellowish discoloration due to excess bile pigments |
| Vesicle | A small sac that contains fluid; a blister |
| Ulcer | A sore associated with disintegration and death of tissue |
| Macule | A spot that is neither raised nor depressed |
| Excoriation | A scratch into the skin |
| Fissure | A crack in the skin |
| Pustule | A vesicle filled with pus |
| Scleroderma | A disease resulting from excess collagen production |
| Dermatosis | Any skin disease |
| Erythema | Redness of the skin |
| Dermatitis | Any inflammation of the skin |
| Accessory structures of the Skin | The skin---glands, hair, and nails---that not only protect the skin itself but have some more generalized functions as well |
| Sebaceous (oil) Glands | The ducts of these glands open into the hair follicles; they are saclike in structure, and their oily secretion: lubricates the skin and hair and prevents drying |
| Pruritus | Another term for Itching |
| Stratum basale | New epidermal cells are produced by the |
| Jaundice | A yellowish discoloration due to the presence of bile pigments in the blood |
| Sebaceous gland | Are saclike in structure, and their oily secretion (sebum) lubricates the skin and hair and prevents drying |
| Constriction | Blood vessels are made smaller in order to decrease blood flow, the decrease in size is called |
| Carotenemia | A discoloration of the skin caused by diet is |
| Blood vessels | Which of the following is NOT an accessory structure of the skin? |
| Decubitus ulcer | The term bedsore is the common name for a |
| Ceruminous gland | A gland that produces ear wax is a |
| Vernix caseosa | Many babies are born with a cheesy covering known as |
| Ringworn | Which of the following skin disorders could be treated with antiviral agents? |
| Stratum corneum | The outer layer of the epidermis, which contains flat, keratin-filled cells is called |
| Dermal papillae | Fingerprints are created by extensions of the dermis into the epidermis. These extension are |
| Melanin | The main pigment of the skin is |
| Arrector pili | The muscle also known as "hair raiser" attached to a hair follicle that produces a "goose bump" when it contracts is the |
| Superficial fascia | The subcutaneous layer is also called hypodermis or the |
| Dermatitis | Inflammation of the skin is called |
| Sweat glands | The ceruminous glands and the ciliary glands are modified forms of |
| Keratin | Hair and nails are composed mainly of a protein named |
| Fissure | A crack in the skin, such as that observed with athlete's foot, is called a (n) |
| Impetigo | An acute contagious skin disease caused by staphylococci or straptococci may be extremely serious in infants and young children. The disease is |
| Sebaceous cyst | Overactivity of the sebaceous glands during adolescence may play a part in the common skin disease called |
| Rule of nines | The body surface area involved in a burn measuring may be estimated using |
| Accessory structures of the Skin | AKA Appendages |
| Epidermis | The outermost portion, which itself is subdivided into thin layers called Strata (strateum). is composed of epithelial cells and does not contain blood vessels |
| Exfoliation | The process when cells are been lost at the surface and replaced from below especially in areas like the scalp, face, soles of the feet. and plams of the hands |
| The two layers of the skin | The epidermis and the dermis |
| Subcutaneous layer | The dermis rests on this layer sometimes referred to as the hypodermis or superficial fascia. It connects the skin to the surface muscles |
| Sudoriferous glands | They are sweat glands. are coiled, tubelike structures located in the dermis and the subcutaneous tissue. Most cool the body,release sweat, or perspiration, that draws heat from the skin as the moisture evaporates at the surface |
| Apocrine | Are glands located mainly in the armpit (axillae) and groin area. They are sweat glands that release secretions through the hair follicles |
| Hair follicle | A sheath of epithelial and connective tissue that encloses the hair. |
| Shaft | The part of the hair that projects above the skin |
| Root | The portion of the hair below the skin |
| Sudoriferous | A general term for any gland that produces sweat |
| Eccrine | Sweat glands found throughout the skin that help cool the body |
| Ceruminous | Glands that are found only in the ear canal |
| Sebaceous | Excess activity of these glands contributes to acne vulgaris |
| Wax | The product of ceruminous glands |
| Apocrine | Sweat glands in the armpits and groin that become active at puberty |
| Ciliary | Glands that are only found on the eyelids |
| Functions of the skin are | Protection against infection, protection against dehydration (drying), regulation of the body temperature, collection of sensory information |
| Barrier | Barrier that proctects against infection |
| Keratin, sebum | They protect against dehydration |
| Blood supply and sweat glands | These two components that regulate the body temperature |
| Good care of the skin includes | Good nutrition, cleansing, and sun protection |
| The color of the skin depends on | Amount of pigment in the epidermis, quantity of blood circulating, composition of the blood |
| The composition of the blood includes | Quantity of oxygen, concentration of hemoblobin and, presence of bile, silver compounds, or other chemicals |
| Other activities of the skin | Absorbed some drugs such as estrogens, other steroids, anesthetics, and medications to control motion sickness-can be absorbed from patches |
| Skin repair begins | Repair after blood has clotted and a scab has formed at the surface to protect underlying tissue |
| Large wound repair | Requires extensive growth of new connective tissue, which develops from within the wound |
| Cicatrix | The new tissue formed from a wound also called "scar" |
| Keloids | Excess collagen production that may result in |
| Wound healing is affected by | Nutrition, blood supply, and infection |
| Slow wound healing occurs by | Age, due to slower rate of cell replacement, and lowered immune response to infection |
| Word antomy for skin | derm/o as in epidermis |
| Urticaria | Allergic reaction characterized by the appearance of wheals |
| Pruritis | Severe itching of the skin |
| Shingles | A viral infection that follows nerve pathways, producing small lesions on the overlying skin |
| Psoriasis | Chronic skin disease characterized by red flat areas covered with silvery scales |
| Eczema | Skin sensitivity characterized by intense itching and inflammation |
| The skin excretion includes | Electrolytes (salts), and sweat (perspiration), the epidermis serves as the outlet from sweat glands and sebum (oil) |
| Vimatin D | Is needed for the development and maintenance of bone tissue is manufactured in the skin under the effects of ultraviolet in sunlight |
| Collection of sensory information | Because of its many nerve endings and other special receptors, the skin may be regarded as one of the body's chief sensory organs |
| Symptoms and disorders of jaundice include | Tumor obstruction of bile flow into small intestine; Inflammation of liver (Hepatitis) cause by virus; disease of red blood cells destruction (hemolyzed); Immaturity of the liver Neonatal (newborn) Jaundice occurs when the liver is not yet capable of processing bilirubin (bile pigment) |