PSY 390 Chapter Notes - Chapter 6: Natural Killer Cell, Lymph Node, Thymosin
10 Apr 2020
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B- cell: type of lymphocyte that attacks invading microorganism. Natural killer (nk) cell type of lymphocyte that attacks invading organisms. Lymphatic system network that transports tissue fluid through the body. Lymph tissue fluid has entered a lymphatic vessel. Lymph node small mass of tissue spaced throughout the lymphatic system that help clean lymph of debris. Lymphocytes response to foreign microorganisms that occurs with repeated exposure and results in resistance to a disease. Thymus organ located near the heart that secretes thymosin and thus processes and activates t-cells. Tonsils collection of lymphatic tissue located in the pharynx. Spleen large organ near the stomach serving as a repository for lymphocytes and red blood cells. Phagocytosis process of engulfing and killing foreign particles. Granulocyte type of lymphocyte that acts rapidly to kill invading organisms. Macrophage type of lymphocyte that attacks invading organisms. Inflammation general immune system response that works to restore damaged tissue. Antibody protein substance produced in response to a specific invader.
