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Lymphatics
Question | Answer |
---|---|
Composed of… | Tonsils Spleen Thymus Numerous Glands/nodes Vessels Cells that provide body with immunity |
What do lymph nodes and vessels do | Major site for B & T-cell Lymphocytes (remember the guys that make antibodies??) Responsible for filtration of lymphatic fluid (similar to plasma but lower in protein) |
Plasma leaks out—most of it gets drawn back in but some of it gets picked up by the | Lymphatic vessels |
Flow | Had unidirectional valves (like veins) to keep moving in one direction |
lymphadenopathy | swelling of the lymph nodes |
Tonsils | Made up of lymphoid tissue Located in back of throat First line of immunity in throat |
Tonsillitis | disease of tonsils |
Tonsillectomy | removal of |
EDEMA | Excessive accumulation of interstitial fluid is called |
Signs of inflammation: | -Erythema (reddening of skin) -Heat due to increased blood flow and cellular activity -Edema to cushion and dilute toxin - Algesia (pain) -Decreased use and guarding of the injured area |
What is an antigen? | Any foreign molecule that is capable of stimulating an immune response |
Rabies | Virus that affects the central nervous system. Passed through saliva (often bites). Fatal. ZOONOTIC |
Distemper | Virus that attacks multiple body systems. Usually starts with respiratory system, then GI, and last the central nervous system. Often fatal. Passed by direct contact and/or airborne |
Hepatitis | Viral disease causing disease of the liver. Spread by body fluids. Severity depends on strain |
Parvovirus | Intestinal virus characterized by vomiting and diarrhea, especially seen and fatal in puppies. Passed through feces. |
Modified Live Vaccines | Made from modified strains of the pathogen The strain is weakened, allowing it to divide after the injection but not create clinical disease. |