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VET 113- Anatomy + F
Immunity and Defense- chp. 13
| Term | Definition |
|---|---|
| The Immune System | the body's security system. Recognizes foreign material and protects the body from non-body parts. |
| Skin | a physical barrier that contain resident microorganisms that destroy pathogens. The acidic pH and fatty acid content of sweat inhibits bacterial growth. |
| Mucous Membranes | one of the first lines of defense. |
| Spleen | helps with internal protection |
| Lymph Nodes | small structures found throughout the body, filter lymph, and contain macrophages. |
| Types of Lymph Nodes | -submandibular, prescapular, axillary, inguinal, popliteal |
| Mucosa-Associated Lymphatic Tissue (MALT) | clusters of lymphoid tissue in various areas throughout the animal's body, located near mucosal surfaces. They identify antigens and mount immune response |
| Tonsils | these are present at the beginning of lymph draining system, lack a capsule, and found in mucosal tissue. They destroy foreign material before it can cause disease. |
| Peyer's Patches | these are aggregations of lymphoid in the small intestine, majority are found in the lining of the ileum. |
| Thymus | lymphoid tissue found in young animals, located in the mediastinum and shrivels as the animal matures. T lymphocytes mature in this site. |
| Innate Immune System | immune system that is the 1st and 2nd line of defense. It is rapid, nonspecific, present at birth, and destroys non-self invaders |
| Adaptive Immune System | immune system that is the 3rd line of defense and targets specific pathogens. This is slower to respond and not present at birth. |
| External Innate Immunity | first line of defense, has barriers on the surface of the body (skin, mucous membranes, tears, saliva, etc.). |
| Internal Innate Defense | second line of defense, controls the spread of infection of a pathogen by inflammation. |
| Fever | |
| Phagocytosis | |
| The Complement System | |
| Complete Cascade | |
| Apoptosis | |
| Cytokines | |
| Types of Cytokines | |
| Interferons | |
| Chemokines | |
| interleukins | |
| Natural Killer (NK) Cells | |
| Killer Inhibitory Receptor (KIR) | |
| Killer-Activating Receptor (KAR) | |
| B Lymphocytes | |
| Immunoglobulin (Ig) | |
| T Lymphocytes | |
| Memory Cells | |
| Humoral Adaptive Immune System | |
| Cell-Mediated Adaptive Immune System | |
| IgM | |
| IgG | |
| IgA | |
| IgE | |
| IgD | |
| IgM | |
| T Cells | |
| Helper Cells (TH) | |
| Cytotoxic T Cells (Tc) | |
| Regulatory T Cells (Ts) | |
| Active Immunity | |
| Passive Immunity | |
| Type I hypersensitivity reaction | |
| Type II hypersensitivity reaction | |
| Type III hypersensitivity reaction | |
| Type IV hypersensitivity reaction |
Created by:
Riley.Scherf
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