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Apologia A&P Mod. 12

Apologia A&P Vocab for Module 12

Lymph tissue Groups of lymphocytes and other cells which support the lymphocytes
Lymph nodes Encapsulated masses of lymph tissue found along lymph vessels
Lymph Watery liquid formed from interstitial fluid and found in lymph vessels
Edema A buildup of excess fluid in the tissues, which can lead to swelling
Immunological defense The process by which the body protects itself from pathogenic invaders such as bacteria, fungi, parasites, and foreign substances
Diffuse lymphatic tissue Concentrations of lymphatic tissue with no clear boundaries
Lymph nodules Lymphatic tissue arranged into compact, somewhat spherical structures
Innate immunity An immune response that is the same regardless of the pathogen or toxin encountered
Acquired immunity An immune response targeted at a specific pathogen or toxin
Complement A series of 20 plasma proteins activated by foreign cells or antibodies to those cells. They (1) lyse bacteria, (2) promote phagocytosis, and (3) promote inflammation
Interferon Proteins secreted by cells infected with a virus. These proteins stimulate nearby cells to produce virus-fighting substances
Pyrogens Chemicals which promote fever by acting on the hypothalamus
Humoral immunity Immunity which comes from antibodies in blood plasma
Cell-mediated immunity Immunity which comes from the actions of T-lymphocytes
Created by: 100001321957590



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