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A&P CH14 key terms
A&P CH14 Lymphatic System and Immunity
| Term | Definition |
|---|---|
| allergen | a foreign substance capable of stimulating an allergic reaction |
| antibody | a protein (immunoglobulin) that B cells of the immune system produce in response to the presence of a nonself antigen; it reacts with the antigen |
| antigen | a chemical that stimulates cells to produce antibodies |
| clone | a group of cells that originate from a single cell and are therefore genetically identical |
| complement | a group of enzymes activated by the combination of antibody with antigen; enhances reaction against foreign substances within body |
| hapten | a small molecule that combines with a larger one; forms an antigenic substance |
| immunity | resistance to the effects of specific disease-causing agents |
| immunoglobulin | globular plasma proteins that function as antibodies |
| lymph | fluid that the lymphatic vessels carry |
| lymphatic pathway | a pattern of vessels that transport lymph |
| lymph node | a mass of lymphoid tissue |
| lymphocyte | a type of white blood cell that provides immunity; B cell or T cell |
| macrophage | a large phagocytic cell |
| pathogen | a disease-causing agent |
| reticuloendothelial tissue | a part of the immune system that consists of the phagocytic cells located in reticular connective tissue. |
| spleen | a large organ in the upper left region of the abdomen |
| thymus | a glandular organ in the mediastinum behind the sternum and between the lungs |
Created by:
djhockett5
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