Term
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Definition
| Diseases caused by microorganisms |
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Term
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Definition
| Infectious diseases that can be transmitted between individuals |
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Term
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Definition
| Diseases caused by social and environmental factors, genetic factors, or a combination of the three. |
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Term
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Definition
| Exchange of pathogenic microorganisms between individuals. |
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Term
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Definition
| Occurs when an individual sheds a contaminated particle onto an inanimate object that another individual becomes infected from later. |
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Term
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Definition
| Single-celled prokaryotes that typically reproduce by clonal expansion. |
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Term
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Definition
| Single-celled eukaryote which can reproduce either sexually or asexually. May have a single-cell spore or a multi-cellular stage. |
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Term
| Endoparasites (& examples) |
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Definition
| Living inside the host (ex. protists, worms,) |
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Term
| Ectoparasites (& examples) |
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Definition
| Live on the surface of the host (ex. ticks, lice,) |
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Term
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Definition
| Require a host to complete at least part of their lifecycle. |
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Term
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Definition
| The host in which the parasite will reach maturity |
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Term
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Definition
| The host in which a specific part of the life-cycle is completed. |
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Term
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Definition
| Any animal species that can harbor a parasite that can affect humans |
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Term
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Definition
Platyhelminthes
Nematoda
Annelida |
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Term
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Definition
| Substances that cause the immune system to attack |
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Term
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Definition
| Cells that have receptors to recognize specific antigens, and are responsible for making antibodies specific to the antigens |
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Term
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Definition
Cells that recognize the fragments of the invader displayed on the surfaces of the phagocytic cells.
2 types: Helper T cells, Killer T cells |
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Term
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Definition
| Help to regulate both innate and adaptive immune systems. They have receptors that can recognize antigen fragments on the surface of phagocytic cells, and can activate more phagocytic cells |
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Term
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Definition
| Made up with T and B cells that replicate and produce long-lived progeny that will "remember" the antigens they encountered. If the antigen is encountered again later, the immune response can be mounted much more quickly and effectively. |
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Term
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Definition
| "Memory" of antigens encountered, which helps mount an immune response much more quickly and effectively if the antigen is encountered again. |
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