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Agents of Disease
| Term | Definition |
|---|---|
| Disease | abnormal condition, a disorder of a structure or function, that affects part or all of an organism |
| Infectious disease | disease caused by a virus, bacterium, fungus or protist that is spread from an infected organism or the environment to another organism |
| Noninfectious disease | diseases that are noncommunicable and cannot be spread, sometimes called chronic diseases because they last a long time |
| Pathogen | disease producing organism. |
| Vector | any agent (person, animal or microorganism) that carries and transmits an infectious pathogen into another living organism. |
| Bacteria | unicellular microorganisms that have cell walls but lack organelles and an organized nucleus. |
| Virus | infective agent that typically consists of a nucleic acid molecule in a protein coat is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host |
| Fungus | eukaryotic organisms that includes unicellular microorganisms such as yeasts and molds, as well as multicellular fungi that produce familiar fruiting forms known as mushrooms |
| Protist | unicellular or multicellular organism that can be plant like, animal like, or fungus like. |
| Host cell | living cell in which a virus can actively multiply or in which a virus can hide until activated by environmental stimuli. |
| Replication | viruses can copy themselves by attaching to a host cell and using the cell as a factory to copy itself |
| Mutation | enable viruses to adjust to changes in their host cells and are the reason why viruses such as the flu are different every year |
| Antibody | a protein that can attach to a pathogen and make it useless, if you have the right antibodies you are immune to a virus. |
| Antiviral drugs | medicine that prevents a virus from entering a cell, antiviral drugs are only good for one virus and not all viruses have one |
| Vaccine | mixture containing material from one or more deactivated pathogens (usually viruses ), helps bodies to form antibodies |
| Antibiotics | some bacteria produce these chemicals that limit the growth of other bacteria. |
| Toxins | poisonous substances produced by some bacteria. |
| Endospores | thick walled structures that some bacteria produce to survive during hard times. |
| Epidemic | a widespread occurrence of an infectious disease in a community at a particular time. |
| Pandemic | is an epidemic of infectious disease that has spread through human populations across a large; for instance multiple continents, or even worldwide. |
| Influenza | Virus |
| Malaria | Protist |
| AIDS | Virus |
| Strep Throat | Bacteria |
| Giardia | Protist |
| Athlete's Foot | Fungus |
| A pathogen that can hibernate for hundreds of years | Bacteria |
| Needs a host cell to survive | Virus |
| Uses spores to reproduce | Fungus |
| Likes to live in wet enviroments | Protist |
Created by:
21fparsons
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