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Communicable Disease

Communicable Disease Terms

TermDefinition
Disease any condition that interferes with proper functioning of the body or mind.
Communicable Disease a disease that can spread to a person from another person, an animal or an object
Germs organisms that are so small that they can be seen only through a microscope
Pathogens germs that are responsible for causing diseases
Infections is a condition that occurs when pathogens enter the body, multiply and damage body cells
Viruses the smallest and simplest disease causing organisms
Bacteria tiny one-celled organism that live nearly everywhere
Fungi primitive life-form, such as mold or yeasts, that can not make their own food
Protozoa a one-celled organisms that have a more complex struture than bacteria
Immune System is a combination of body defenses made up of cells, tissues,organs that fight off pathogens
Nonspecific Response the same way our bodies react to an infection
Inflammation response to injury, or disease resulting in a condition of welling, pain, heat and redness.
Lymphatic System is a secondary circulatory system that helps the body fight pathogens and maintain its fluid balance.
Lymphocytes special white blood cells in the lymph (B cells, T cells and NK cells)
B cells they are formed in the bone marrow
T cells they develop in the thymus gland
NK cells they attack cancerous cells and are known as "Killer Cells"
Antibodies proteins that attach to antigens, keeping them from harming the body
Antigens are substances that sends the immune system into action
Vaccine is a preparation of dead or weakened pathogens that is injects into the body to cause the immune system to produce antibodies
Created by: raydavis
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