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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
abrasion
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a condition of the skin resulting from the inability to synthesize melanin
albinism
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completely cutting or tearing off of a body part
amputation
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coiled tubular glands that usually open into hair follicles of the axillae and genitalia, as well as around the anus
apocrine sweat gland
-
wound in which flaps of skin and tissue are torn loose or pulled off completely
avulsion
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the result of heat or other thermal injury to the skin
burn
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the layer of skin located directly immediately above the hypodermis
dermis
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merocrine sweat glands distributed over the body that promote cooling of the body
eccrine glands
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granules within the stratum lucidum that are formed from keratohyaline and are eventually transformed to keratin
eleidin
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the superficial, outer layer of the skin that contains numerous nerve vessels, but no nerve endings
epidermis
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muscle attached to the base of the hair that pulls the hair perpendicular to the surface of the skin in cold or threatening situations
erector muscle
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burns involving only the epidermis, also called superficial burns
first-degree burns
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burns that involve the hypodermis and possibly bone, or internal organs, also called third degree burns
full-thickness burns
-
threadlike, keratin-containing appendage of the outer layer of the skin
hair
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a tubular cavity beneath the skin in which hair develops
hair follicle
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the portion of hair that extends above the skin
hair shaft
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referring to below the skin
hypodermic
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the layer of tissue immediately below the dermis, also called the subcutaneous tissue
hypodermis
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a smooth cut, usually made by a sharp object
incision
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the body's external surface, including the skin, nails, hair, and sweat and oil glands
integumentary system
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a protein in the skin that is responsible for the strength and permeability of the epidermis
keratin
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the cells in the epidermis that produce a protein called keratin
keratinocytes
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a precursor of keratin that is located in the stratum granulosum of the epidermis
keratohyalin
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a wound with a smooth or jagged edge, resulting from a tearing or scarping action
laceration
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the white crescent-shaped structure at the base of the nail body
lunula
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the dark pigment in skin that protects the skin from the sun's ultraviolet rays
melanin
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epidermal cells that contribute to skin color by producing a dark pigment called melanin
melanocytes
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glands that produce a solution containing salt and urea that is secreted directly onto the surface of the skin through sweat pores
merocrine sweat glands
-
a flattened structure at the end of each finger and toe made of keratin from the epidermis
nail
-
the portion of the nail over which the nail body lies
nail bed
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burns that involve the epidermis and a portion of the dermis; also called second degree burns
partial-thickness burns
-
wound made by a sharp instrument that passes through the skin, affecting all tissues in its path
penetrating wounds
-
glands that produce sebum and are located in the dermis of the entire body, except for the palms and soles
sebaceous glands
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material produced by sebaceous glands that contain a combination of fat and cellular debris
sebum
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burns that involve the epidermis and a portion of the dermis, also called partial thickness burns
second-degree burns
-
the flat sheets of cells that make up the epidermis
squamous epithelium
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the outer layer of the epidermis, which contains about 25 layers of dead cells that continuously shed as new cells push upward
stratum corneum
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the innermost layer of epidermis
stratum germinativum
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the layer of epidermis between the stratum lucidum and the stratum spinosum that is composed of flattened cells that contain granules of keratohyalin
stratum granulosum
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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
stratum lucidum
-
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
stratum spinosum
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the layer of soft tissue immediately below the dermis, also called the hypodermis
subcutaneous tissue
-
burns involving only the epidermis, also called first-degree burns
superficial burns
-
pores in the skin in which sweat in secreted
sweat pores
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burns that involve the hypodermis and possibly bone, muscle, or internal organs; also called full-thickness burns
third-degree burns
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break in the integrity of the integumentary system
wounds
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