A&P Ch13

an injury in which the involved body part has lost its outer layer of skin or mucous membrane because it has been rubbed or scratched off

a condition of the skin resulting from the inability to synthesize melanin

completely cutting or tearing off of a body part

coiled tubular glands that usually open into hair follicles of the axillae and genitalia, as well as around the anus

wound in which flaps of skin and tissue are torn loose or pulled off completely

the result of heat or other thermal injury to the skin

the layer of skin located directly immediately above the hypodermis

merocrine sweat glands distributed over the body that promote cooling of the body

granules within the stratum lucidum that are formed from keratohyaline and are eventually transformed to keratin

the superficial, outer layer of the skin that contains numerous nerve vessels, but no nerve endings

muscle attached to the base of the hair that pulls the hair perpendicular to the surface of the skin in cold or threatening situations

burns involving only the epidermis, also called superficial burns

burns that involve the hypodermis and possibly bone, or internal organs, also called third degree burns

threadlike, keratin-containing appendage of the outer layer of the skin

a tubular cavity beneath the skin in which hair develops

the portion of hair that extends above the skin

referring to below the skin

the layer of tissue immediately below the dermis, also called the subcutaneous tissue

a smooth cut, usually made by a sharp object

the body's external surface, including the skin, nails, hair, and sweat and oil glands

a protein in the skin that is responsible for the strength and permeability of the epidermis

the cells in the epidermis that produce a protein called keratin

a precursor of keratin that is located in the stratum granulosum of the epidermis

a wound with a smooth or jagged edge, resulting from a tearing or scarping action

the white crescent-shaped structure at the base of the nail body

the dark pigment in skin that protects the skin from the sun's ultraviolet rays

epidermal cells that contribute to skin color by producing a dark pigment called melanin

glands that produce a solution containing salt and urea that is secreted directly onto the surface of the skin through sweat pores

a flattened structure at the end of each finger and toe made of keratin from the epidermis

the portion of the nail over which the nail body lies

burns that involve the epidermis and a portion of the dermis; also called second degree burns

wound made by a sharp instrument that passes through the skin, affecting all tissues in its path

glands that produce sebum and are located in the dermis of the entire body, except for the palms and soles

material produced by sebaceous glands that contain a combination of fat and cellular debris

burns that involve the epidermis and a portion of the dermis, also called partial thickness burns

the flat sheets of cells that make up the epidermis

the outer layer of the epidermis, which contains about 25 layers of dead cells that continuously shed as new cells push upward

the innermost layer of epidermis

the layer of epidermis between the stratum lucidum and the stratum spinosum that is composed of flattened cells that contain granules of keratohyalin

the first inner layer of the epidermis, it is found only in the thick epithelium of the palms of the hands and the soles of the feet

the layer of epidermis between the stratum granulosum and the stratum germinativum that contains cells known as keratinocytes, which synthesize the keratohyaline, a precursor of keratin

the layer of soft tissue immediately below the dermis, also called the hypodermis

burns involving only the epidermis, also called first-degree burns

pores in the skin in which sweat in secreted

burns that involve the hypodermis and possibly bone, muscle, or internal organs; also called full-thickness burns

break in the integrity of the integumentary system