For Pathogen we have terms and definitions in 19 topics. The topics are Agriculture, Biotechnology, Canine, Dairy Production, Disease, Evolution, Food Safety, HIV and AIDs, Horse Health, Huntingtons Disease, Medical, Microbiology, Mold, Pests, Physical Geography, Reproductive Infections, Vitamins, Water Filtration and Water Science.

A disease-causing organism.
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A specific biological causative agent of disease in plants or animals.
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An agent that causes disease, especially a living microorganism such as a bacterium or fungus.
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An agent that causes disease, especially microorganisms such as bacteria, viruses and fungi.
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An microbe, such as virus or bacteria, which may cause disease.
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A microorganism that causes disease.
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A disease-causing microorganism.
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Anything capable of causing disease; usually a pathogen is a bug, like a virus or bacteria, but it also refers to substances, like asbestos.
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Any microbial agent capable of causing disease.
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A microorganism (such as a bacterium or virus) that causes disease.
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Any substance capable of causing a disease; usually refers to a disease-causing microorganism
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Any disease-producing microorganism.
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A parasite capable of causing disease in its host.
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A disease-causing organism. Many pathogens are entomopathogens.
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Microscopic parasite organism that causes disease in a host. Disease causes the host to be less fit and may eventually cause premature death.
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A microorganism, such as a bacterium, that lives on and feeds from a host and causes disease.
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A disease causing agent.
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A pathogen is an organism that causes disease.
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A disease-producing agent; usually applied to a living organism. Generally, any viruses, bacteria, or fungi that cause disease.
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