| adaptive defense | | large globular proteins |
| Immunoglublin A | | are general and provide protect against broad pathogens |
| inflammation | | cell mediated immunity |
| vaccine | | damaged tissue may form a thick fluid |
| allergens | | elevated body temperature |
| thymus | | complex network of chambers and channels through which lymph circulates |
| splenitis | | absence of spleen |
| lymph sinuses | | a tissue response to injury or infection |
| interferons | | proteins, polysaccharides, glycoproteins |
| innate defense | | indented region of the node |
| lymph nodules | | structural units of lymph nodes |
| lymphoma | | tumor composed of lymphatic tissue |
| antigens | | skin |
| Immunoglublin M | | is a type of antibody that develops in the blood plasma in response to contact with certain antigens in foods or bacteria |
| pathogen | | defense mechanisms targeting specific pathogens |
| mechanical barriers | | a disease causing agent |
| asplenia | | a soft bilobed structure enclosed in a connective tissue capsule and located anterior to the aorta and the upper part of the sternum |
| complement | | larger lymphatic vessels lead to specialized organs |
| fever | | antigens that trigger allergic responses |
| tissue rejection reaction | | when the receipents immune system doesn't recongnize the donor cells and attacks it. |
| lymph nodes | | a group of proteins in plasma |
| humoral immune response | | horomone like peptides |
| anitbodies | | the largest lymphatic organ |
| hilium | | antibody mediated immune response |
| spleen | | commonly found in exocrine gland secretions |
| pus | | produces an active immunity |
| cellular immune response | | inflammation of the spleen |