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Micro Words

disease causing microorganism pathogens
scientific study of disease pathology
the cause etiology
the manner in which a disease develops...how it is caused pathogenesis
organisms enter the body infection
occurs when an infection results in any change from a state of health, abnormal stage disease
in or on your body at all times (colonized) normal microbiota (normal flora)
may stay a few days then disappear transient microbiota
involves competition amoung microbes miccrobial antagonism (competitive exclusion)
relationship between the normal microbiota and the host. one dependent on other symbiosis
one of the organism benefits and the other is unaffected. commensalism
both organisms benefit mutualism
live microbial cultures applied to or ingested that are intended to exert a beneficial effert probiotics
one organism uses one source of food and kills it. the strong survive, the young/strong ones reproduce. predation
eat from host without intent to kill host parasitism
has to have weak host. want cause a disease if healthy. immune must be weak. opportunistic pathogens
cant see or measure. changes in body functions. symptoms
see and measure. physician can observe and measure. (visual) sings
1. the same pathogen must be present in every case of the disease. 2. the pathogen must be isolated from the diseased host and growth in pure culture. 3. the pathogen from the pure culture must cause the disease when it is inoculated into a healthy. 4... Koch's Postulates
specific signs and symptoms that always shows up with a certain disease. syndrome
can catch it communicable disease
easy to catch contagious disease
cant catch it noncommunicable disease
a disease is the number of people in a population who develp a disease during a particular time period. new cases in that time period incidence
number of people in your society at the given time has the disease prevalence
only occurs occasionally sporadic disease
disease constantly present in a population endemic disease
aquire a certain disease in a relatively short period epidemic disease
disease that occurs wouldwide pandemic disease
sudden onset. hits fast. acute disease
slowly, long-term, may return chronic disease
in between acute and chronic disease subacute disease
can have long time, dorment latent disease
when many people are immune and it is hard to catch herd immunity
invading microorganisms are limited to a relatively small area of the body local infection
microogranisms or their products are spread throughout the body by the blood or lymph systemic (generalized) infection
can arise from infections in areas such as the teeth, tonsils, and sinuses focal infection
bacteria present sepsis
blood-poisoning, bacteria in the blood septicemia
bacteria in the blood bacteremia
toxins in the blood toxemia
viruses in the blood viremia
first infection that causes the initial illness primary infection
second infection after first has passed secondary infection
no noticeable symptoms subclinical (inapparent) infection
makes the body more susceptible to a disease and may alter the course of the disease predisposing factor
first got it incubation period
starting to feel it prodromal period
the disease is most severe period of illness
signs and symptoms start to go away period of decline
goes back to normal period of convalescence
pathogens, wherever they live reservoir of infection
living source that doesnt show symptoms carrier
animals carry zoonoses
touch yourself contact transmission
person-to-person direct contact transmission
persono-to-object indirect contact transmission
nonliving object incolced in the spread of an infection fomite
a sneeze, short distance droplet transmission
transmission of disease agent by a medium (water, food, or air) vehicle transmission
animals that carry pathogens from one host to another vector
pathogens are transported by the insects feet to other body parts mechanical transmission
insect bites person then goes to another person then bites them. biological transmission
infection aquired while staying at a hospital nosocomial infection
one whose resistance to infection is impaired by disease, therapy, or burns compromised host
havent had, but coming out to the socitey emerging infectious disease
science that studies when and where disease occur and how they are transmitted in populations epidemiology
branch of the U.S. public health service Centers for Disease Control and Prevention (CDC)
number of people who have the disease morbidity
number of people who have the died from that disease mortality
have to be reported norifiable infectious diseases
rate of getting the disease morbidity rate
rate of dying from the disease mortality rate
Created by: laurene