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Chapter 38 terms
Term | Definition |
---|---|
Microbiology | study of microorganisms |
Microorganisms | a microscopic organism, especially a bacterium, virus, or fungus. |
Zoonosis | disease passed form animals to humans |
Viral | class of disease caused by particles that are contagious and spread through the environment |
Bacterial | class of disease spread through single-celled organism called germs and are located in all areas of animal's environment |
Fungal/Fungus | class of disease spread by simple-celled organism or spores that grow on the external body and other areas of the environment mostly in most and humid conditions. |
Protozoan | class of disease; the simplest forms of life caused by single-celled organism that are know as parasites that may live inside or outside the body |
Rickettsial | class of disease spread by biting insects, such as fleas and ticks |
Vector | when an ectoparasite such as a flea, mosquito, or tick transmits a pathogen. |
Parasite | an organism that lives in or on an organism of another species host and benefits by deriving nutrients at the other's expense |
Host | the animal that is infected by a parasite and that the parasite feeds off of |
Definitive host | an organism which supports the adult or sexually reproductive form of a parasite |
Enteric | relating to or occurring in the intestines |
Cutaneous | relating to or affecting the skin |
Aerosol | a suspension of tiny particles or droplets in the air, such as dusts, mists, or fumes. |
Wound | an injury to living tissue caused by a cut, blow, or other impact, typically one in which the skin is cut or broken |
Rabies | fatal but preventable viral disease |
Cutaneous larval migrans | hookworm infection in humans caused by penetrating the skin |
Visceral larva migrans | an infection caused by parasitic roundworms passed from animals to humans |
Giardia | tiny parasite that causes the diarrhea disease giardiasis |
Cat Scratch Fever | infection of the lymph notes following a scratch or bite from a cat |