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49 Cards in this Set

  • Front
  • Back
Mucous Membrane
epithelial membranes that line body surfaces opening directly to the exterior and secrete a thick, slippery material called mucus
Connective Tissue
one of the two major types of body membranes; composed exclusively of various types of connective tissue
Epithelial Membrane
membrane composed of epithelial tissue with an underlying layer of specialized connective tissue
Epidermis
outermost layer of the skin
Keratin
protein substances found in hair, skin, nail, outer skin cells, and horny tissue
strateum corneum
the tough outer layer of the epidermis; cells are filled with keratin
stratum germinativum
the innermost layer of the tightly packed epithelial cells of the epidermis; cells in tthis layer are able to reproduce themselves
protection
protects against microbes, entry of chemicals, tears and cuts, excessive fluid loss, from UV rays, etc
dermal-epidermal junction
junction between the thin epidermal layer of the skin and the dermal layer; provides support for the epidermis
vitiligo
patchy areas of light skin caused by acquired loss of epidermal melanocytes
cyanosis
condition in which light-skinned individuals exhibit a bluish coloration resulting from relatively low oxygen content in the arterial blood; literally "ble condition"
sense organ
millions of nerve endings serve as antennas or receivers for the body, keeping it informed of changes in its environment. make it possible for the body to detect sensations of light and touch, pressures, and to respond to the sensations of pain, heat, and cold
striae
stretch marks; caused by stretching of the skin beyond its ability to rebound
lanugo
the extremely fine and soft hair found on a newborn infant
hair papilla
a small, cap-shaped cluster of cells located at the base of the follicle where hair growth begins.
dermis
the deeper of the two major layers of the skin, composed of dense fibrous connective tissue interspersed with glands, nerve endings, and blood cessels; true skin
meissner corpuscle
a sensory receptor located in the skin close to the surface that detects light touch; tactile corpuscle
hair shaft
the visible part of the hair
temperature regulation
regulating sweat secretion and by regulating the flow of blood close to the body surface
melanin
brown skin pigment
eccrine glands
small sweat glands distributed over the total body surface
appocrine glands
sweat glands located in the axilla and genital regions; these glands enlarge and begin to function at puberty
arrector pilli
smooth muscles of the skin, which are attached to hair follicles; when contractions occur, the hair stands up, resulting in goose bumps
impetigo
a highly contagious bacterial skin infection that occurs most often in children
scabies
contagious skin condition caused by the itch mite
excoriation
skin lesion in which the epidermis has been remoced, as in a scratch wound
hypodermis
the loose ordinary tissue just under the layers of skin and superficial to the muscles; made of loose connective tissue and fat
pleura
the sereous membrane in the thoracic cavity
fissure
deeo crack in the skin
birthmark
developmental malformation of dermal vessels can result in these
peritonitis
inflammation of the serous membranes in the abdominopelvic cavity; sometimes a serious complication of an infected appendix
decubitis ulcer
pressure sore that opten develops over a bony prominence, such as the heel, when lying in one position for prolonged periods
rules of nines
a frequently used method to determine the extent of a burn injury; the body is divided into 11 areas of 9%; each to help estimate the amount of skin surface burned in an adult
vesicles
a clinical term referring to blisters, fluid-filled skin lesions
first degree burn
minor burn with only minimal discomfort and no blistering; epidermis may peel but no dermal injury occurs; partial thickness burn
second degree burn
burn injury that is more severe than a first-degree burn and often involves damage to the dermis;
third degree burn
involves complete destruction of both epidermis and dermis with injury extending into subcutaneous tissue; full-thickness burn
kaposi sarcoma
a malignant cancer of the skin characterized by purplish spots
alopecia
clinical term referring to hair loss
lamellar (pacini) corpuscle
a receptor found in the dermis that detects pressure on the skin surface
nail body
the visible part of the nail
onycholysis
separation of nail from the bed that begins at the distal or free edge of the effected nail
sebaceous gland
oil-producing glands found in the skin
tinea
fungal infection of the skin
exposure to sun
over exposure to ultraviolet light (sunburn) or contact of the skin with an electrical current or a harmful chemical such as an acid also can cause burns
basil cell carcinoma
skin cancer, often occurring on upper face, with low potential for metastasizing
melanoma
a malignant neoplasm (cancer) of the pigment-producing cells of the skin (melanocytes); malignant melanoma
squamous cell carcinoma
malignant tumor of the epidermis; slow-growing cancer that is capable of metastasizing; the most common type of skin cancer
furnucle
boil; a pus filled cavity formed by some hair follicle infections