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45 Cards in this Set

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Serous Membranes
Two distinct layers of tissue. One epithelial simple squamous, one connective tisssue.
Basement membrane
glue like, holds and supports epthelial cells
Parital Portion
Serous membrane, that lines the walls of a body cavity
Visceral Portion
Serous membrane that covers surface of organs
Pleura
Serous membrane in thoracic cavity
Peritoneum
Serous membrane in the abdominal cavity
Pleurisy
Thin watery fluid secreted by serous membranes, to reduce friction and serves as a lubrication for when organs rub against eachother.
Mucous Membrane
Epitheleal membranes that line body surfaces opening to the exterior.
Line respiratory, digestive, urinary, and reproductive tracts.
Synovial
Membrane lining the spaces between bone and joints. They secrete thick and colorless lubricating fluid, called synovial.
Epidermis
Outer most layer of skin
Dermis
beneath epidermis, is thicker and made up of connective tissue
Subcutaneous
Thick layer of loose connective tissue and fat
Keratin
Protein substance, tough, water proof, provides outer layer of skin with a horny, abrasion-resistant, and protective quality
Melanin
Brown pigment
Lanugo
Fine hair on newborn
Hair Papilla
Small cap shape clusters of cells, hair grows from
Arrector Pili
Tiny smooth muscle attached to the base of the dermal papilla above and to the side of the hair follicle below, contract when frightened or cold produces goose bumps
Meissner's Corpusal
Pacinian Corpusal
The receptors in skin, allowing the body surface to act as a sensory organ
Free Nerve Ending
Receptors in skin that respond to pain and changes in temperature.
Krause's End Bulbs
Receptors in skin, that dectect sensations of touch and low frequency vibrations
Lunula
The nail body nearest the root, has a crescent shape, know as little moon
Sweat (sudoriferous) glands
Most numerous of the skin glands, classified into two groups eccrine and apocrine
Eccrine sweat glands
Most numerous, important and wide spread sweat glands in body, distributed over total body surface, produce transparent watery liquid called perspiration
Apocrine
Found primarily in arm pit and and around genitals, produce a thick milky white secretion.
Sebaceous glands
Secrete oil for the hair and skin, they grow where hair grows. Their ducts open into hair follicles. Lubricate hair and skin
Functions of the skin
Protection
Temperature Regulation
Sense organ activity
Lesion
Any measurable variation from the normal structure of tissue, not necessarily signs of disease and do not constitute a disorder
Rule of nines
Frequently used method to determine the extent of burn injury, body is divided into 11 areas of 9% each. Area around genitals = 1%
First degree burn
Causes minor discomfort and some redding of skin (sun burn)NO blistering occurs, tissue damage minimal
Second degree burn
Involves deep epidermal layers, and always causes injury to upper layers of dermis. Complete destruction dermis does not occur
Third degree burns
Complete destruction of epidermis and dermis, tissue death extends below primary skin layers into subcutaneous tissue. Involve muscle and bone
Impetigo
Highly contageous condition results from Staphylococcal or Steptococcal infection. Occurs most often in young children. Starts out as reddish discoloration and develops into vesicles and yellowish crust.
Tinea
Name for many different mycoses. (Fungal infections of the skin)IE
ringworm, jock itch, atheletes foot
Warts
Caused by a papilloma virus, benign neoplasm of skin. Some become malignant, transmission through direct contact with lesions of an infected person
Boils
Often called furuncles. Most often local staphylococci infections of hair follicles. Look like large pus filled lesions carbuncles.
Scabies
Contageous skin condition caused by the itch mite, trasmitted by skin to skin contact
Decubitus
Ulcers, form infection because of lack of blood flow caused tissue damage or death.
Urticaria
Skin disorder that involves blood vessels aka Hives, characterized by raised red lesion wheals, caused by leakage of fluid by skins blood vessels. Causes severe itching.
Scleroderma
Auto immune disease that effects blood vessels and connective tissue of the skin. Begins as mild inflammation develops into a patch of yellowish, hardened skin.
Psoriasis
Chronic inflammatory disorder of the skin thought to have a genetic basis. Cutaneous inflammation, accompanied by scaly plaque.
Eczema
Most common inflammatory disorder of the skin. Accompanied by papules, vesicles and crust. Not a disease, but a sign or symptom of a underlying condition. (IE Poison Ivy)
Squamous Cell Carcinoma
Slow growing malignant tumor of the epidermis, most common type of skin cancer. If not treated will metastasize and invade other organs
Basil Cell Carcinoma
Usually occuring on the upper face. Less likely to metastasize than other types. Lesions begin as papules, that errode in the center to form a bleeding crusted crater.
Melanoma
Malignant melanoma, fastest increasing cancer in US today, most serious form of skin cancer, causes death in 1/4 cases, sometimes develops from a dark mole.
Kaposi Sarcoma
Has increased recently in some parts of the world. Once associated with certain ethinic groups now in appears in many cases of aids and other immune difficencies, first appears as a purple papules, quickly spreads to the lymph nodes and internal organs. Believed to spread by virus or other agent