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Swedish Class 21
Mechanisms of Disease Notes
63
Other
Not Applicable
10/20/2005

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Term
Pathology
Definition
The Scientific study of disease
Term
Sign
Definition
Objective abnormalities that can be seen and measured by someone other than the patient
Term
Symptoms
Definition
Subjective abnormalities felt only by the patient
Term
Acute
Definition
Signs and symptoms appear suddenly, persist for a short time, then disappear
Term
Chronic
Definition
Disease that develops slowly and lasts for a long time (sometimes for life)
Term
Etiology
Definition
Study of all the factors involved in causing a disease (theory of a disease's cause)
Term
Idiopathic
Definition
Diseases with undetermined causes
Term
Communicable
Definition
Diseses that are transmitted from one person to another
Term
Incubation
Definition
The latent stage of a disease (you are infected but showing no signs or symptoms)
Term
Pandemic
Definition
Epidemics that affect large geographic regions, possibly spreading around the world
Term
Endemic
Definition
A disease that is native to a local region
Term
Epidemic
Definition
When a disease spreads to many people in a region
Term
Health
Definition
Physical, mental and social well being, not merely the absence of disease.
Term
Disease
Definition
An abnormality in body function that threatens health
Term
Syndrome
Definition
A collection of different signs and symptoms, usually with a common cause
Term
Pathogenesis
Definition
actual patter of disease's development
Term
Epidemiology
Definition
Study of the occurrence, distribution and transmission of diseases in humans
Term
Genetic mechanism
Definition
altered or mutated genes can cause internal disfunction. Either by not functioning correctly or resulting in an absence of function
Term
Pathogenic organism
Definition
microscopic or larger parasites enter the body and cause a loss of function for the host
Term
Tumors and cancer
Definition
abnormal tissue growth (neoplasms = new matter) can cause physiological disturbances
Term
Physical and chemical agents
Definition
toxic or destructive chemicals, extreme cold or heat, mechanical injury, and radiation can affect normal homeostasis
Term
Malnutrition
Definition
insufficient or imbalanced intake of nutrients
Term
Autoimmunity
Definition
our immune system attacks the body by mistake or as an over reaction
Term
Inflammation
Definition
The imflammation response occurs at inappropriate times, or is abnormally prolonged or severe normal tissues can be damaged
Term
Degeneration
Definition
Tissues sometimes break down or break apart, usually associated with aging but can happen anytime
Term
Six Risk Factors of disease
Definition
Genetic, Age, Lifestyle, Stress, Environmental Factors, and Preexisting conditions
Term
The leading cause of skin cancer is_______
Definition
Sunlight
Term
Virus
Definition
Mictoscopic, parasitic entity made up of a nucleic acid bound by a protein coat and sometimes a lipoprotien envelope. They inject their DNA into the host cells and begin to replicate
Term
Bacteria
Definition
A primitive single celled organism without membranous organelles
Term
Impetigo
Definition
Pink eye - a highly contagious staphylococcal infection
Term
Fungi
Definition
Organism similar to plants but lack of chlorophyll and capable of producing infections Athelets foot
Term
Protozoa
Definition
Single celled organisms with nuclei and other membranous organelles that can infect humans ex. amoeba, flagellate, ciliate, sporozoa
Term
Metazoa/pathogenic animals
Definition
large multicellular organisms ex. nematode, platyhelminth, arthropods (mite tick).
Term
Vector
Definition
An organism that spreads disease to another organism
Term
4 Mechanisms of Transmission
Definition
person to person, environmental contact, opportunistic invasion, vector
Term
4 different types of Aseptic control
Definition
Sterilization, disinfection, antisepsis, isolation
Term
Non Aseptic froms of disease prevention
Definition
vaccination, antibiotics, anti-virals
Term
Metastasis
Definition
The cells migrate via lymphatic or blood vessels
Term
Benign
Definition
Remains localized
Term
malignant
Definition
Spreads to other regions of the body (cancer)
Term
Begnign Epithelial Tumors
Definition
Papilloma, Adenoma, Nevus
Term
Papilloma
Definition
type of tumor forms a fingerlike projection Type of wart that can lead to cancer
Term
adenoma
Definition
General term for benign tumors of glandular epthelium
Term
Nevus
Definition
Nevi include a variety of small pigmented tumors of the skin (mole)
Term
Benign Connective Tissue Tumors
Definition
Lipoma, Osteoma, Chondroma
Term
Lipoma
Definition
A Tumor arising from Adipose (fat) tissue
Term
Osteoma
Definition
This tumor involves bone tissue
Term
Chondroma
Definition
Tumors of cartilage tissue
Term
Carcinomas
Definition
Malignant tumors that arise from epithelial tissues (melenoma adenocarcinoma)
Term
Melanoma
Definition
This type of cancer involves melanocytes, the pigment-producing cells of the skin
Term
Adenocarcinoma
Definition
General term for malignant tumors of glandular epithelium
Term
Sarcomas
Definition
A tumor that arises from connective tissue (lymphoma, osteosarcoma, mylenoma, fibrosarcoma)
Term
Lymphoma
Definition
Term used to describe a cancer of lymphatic tissue
Term
Osteosarcoma
Definition
Refers to a malignant tumor of bone tissue
Term
Mylenoma
Definition
Malignant bone marrow tissue
Term
Fibrosarcoma
Definition
General term used to decribe cancers involving fibrous connective tissues.
Term
5 Causes of cancer
Definition
Genetics, carcinogens, age, environment, viruses
Term
7 Detectors of Cancer
Definition
SELF EXAMINATION, raiography, tomography, MRI, ulta sonography, blood test, biopsy
Term
Radiography
Definition
Use of Radiation to create images of inside of body
Term
Tomography
Definition
X-Ray producing image of a specific layer of tissue
Term
MRI
Definition
Magnetic resonance imaging
Term
Ulta sonography
Definition
sound waves (ultrasound)
Term
biopsy
Definition
Removal of a piece of tissue for examination
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