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Infection

Antiseptics

reduces the number of microorganisms on the skin

Aseptic Technique

a procedure that is preformed under sterile conditions

Autoclaving

the sterilization of instruments with steam at high temperature and pressure

Colonization

one or more species of microorganisms occupy a region of the body

Culture

growth of microorganisms on a specific nutritious medium in a lab

Disinfectants

a chemical that may destroy or inhibit the growth and reproduction of microorganisms

Endemic

a disease that is always present in a specific region

Endotoxin

a toxin released from the walls of certain gram-negative bacteria following lysis

Epidemic

a disease occuring in higher numbers than usual in a certain population within a given time period

Exotoxin

toxin excreted by a bacterium

Fimbraie

hair-like projections on some bacteria

gram stain

a stain for bacteria that differentiates the cell walls of gram-positive bacteria from that of gram-negative bacteria

Infection

event that occurs when a microbe or parasite is able to reproduce in or on the body's tissues

Leukocytosis

an above-normal number of leukocytes in the blood

Leukopenia

a decreased number of leukocytes in the blood

lymphadenopathy

a disease affecting the lymph nodes

monocytosis

increased number of monocytes circulating in the blood

MRSA

Methicillin-resistant Staphylococcus aureus (MRSA) is a type (strain) of staph bacteria that does not respond to some antibiotics that are commonly used to treat staph infections.

mutation

a change in the genetic makeup (DNA) of a cell

nosocomial

an infection acquired while hospitalized

obligate

the requiring of a living host to survive

parasite

an organism that lives on or in another living organism

pathogen

a disease-causing microorganism

pathogenesis

the early stages in the development of a disease

pili

hair-like appendages on some bacteria for adhesion to tissue and transfer of DNA

prions

an infectious abnormal protein particle; does not contain DNA

sanitation

prevention of disease

Seizures

sudden, involuntary movement with loss of awareness, caused by uncontrolled neuronal discharge in the brain

sepsis

a toxic condition resulting from the spread of bacteria or their toxic products from a focus of infection

Septicemia

invasion of the blood stream by virulent microorganisms and especially bacteria along with their toxins

Sterilization

to make free of microorganisms

Virulence

the relative capacity of a pathogen to overcome body defenses

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