17 terms

Disease 8-1

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Antibiotic
a substance that kills bacteria or prevents the growth of bacteria.
Antibody
a chemical made by the immune system that makes it possible for the white blood cells to destroy pathogens.
Bacteria
microscopic, single-celled organisms.
Contagious
very easy to spread - used to describe a disease.
Disease
anything that causes our body to stop working properly.
Immune
able to make the antibodies to a pathogen before it can make you unwell.
Infectious disease
a disease that can be spread.
Gastroenteritis
a stomach infection caused by the bacterium Salmonella enteritidis.
Lymphocyte
a white blood cell that makes antibodies and is found in the lymph nodes.
Macrophage
a white blood cell that consumes pathogens and is found in the lymph nodes.
Neutrophil
a type of white blood cell that consumes pathogens.
Pathogen
an organism that causes disease.
Pathogenic bacteria
bacteria that cause disease.
Penicillin
an early antibiotic.
Quarantine
isolation to prevent the spread of a disease.
Tetanus
a bacterial infection caused by Clostridium tetani.
Vaccine
a chemical that causes your body to react as if it had encountered a pathogen.