Microbe host interaction ch 16 119

Pathology – defn
the study of the essential nature of diseases and especially of the structural and functional changes produced by them
Etiology – defn
: cause, origin; specifically : the cause of a disease or abnormal condition
Pathogenesis defn
the origination and development of a disease
local infection
an infection involving bacteria that invade the body at a specific point and remain there, multiplying, until eliminated.
systemic infection
an infection in which the pathogen is distributed throughout the body rather than concentrated in one area.
[secondary infection]
Illness caused by new bacteria, viruses, or fungi becoming established in the wake of an initial infection.
acute
having severe symptoms and a short course
chronic
Of long duration. Used of a disease of slow progress and long continuance.
bacteremia
occurs when bacteria enter the bloodstream. This may occur through a wound or infection, or through a surgical procedure or injection.
septicemia
A systemic disease caused by the multiplication of microorganisms in the blood. Also called blood poisoning, septic fever.
toxemia

1. the condition resulting from the spread of bacterial products (toxins) by the bloodstream.

 

book definition: toxins in blood

viremia
the presence of viruses in the blood.
endemic
Prevalent in or restricted to a particular region, community, or group of people. Used of a disease.
epidemic
Spreading rapidly and extensively by infection and affecting many individuals in an area or population at the same time, as of a disease or illness. An outbreak or unusually high occurrence of a disease or illness in a population or area. occurring suddenly in numbers clearly in excess of normal expectancy.
pandemic
A widespread epidemic that affects whole countries or the entire world.
syndrome

“a group of signs and symptoms that occur together and characterize a particular abnormality or condition

 

Duwe-“just signs and symptoms..don’t know what causes it…example AIDS( Acquired Immunosuppress?? Disease Syndrome)

superinfection

-Duwe definition (technical term), -outgrowth of normal flora that is a normal flora, -due to a course of antibiotics 

 

-a new infection occurring in a patient having a preexisting infection, such as bacterial superinfection in viral respiratory disease or infection of a chronic hepatitis B carrier with hepatitis D virus

Categories: Microbiology