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Lymphatic and Immune System Kyle Dizon P.2 (Anatomy of lymphatic system…
Lymphatic and Immune System Kyle Dizon P.2
Major functions of the lymphatic and immune system
Lymphatic
Transport lymph and fluids throughout the networks of the body
Contain white blood cells and bring it to the body which also improves the body's ability to response against invaders.
Remove wastes in the body and prevents invading pathogens to enter the body.
Immune
Contains networks of tissues and organs to remove waste toxic.
Protecting the body from invaders (pathogens) such as viruses and bacteria's and many more.
Anatomy of lymphatic system
Lymph Node which is a defense mechanism that is surrounded by capsules from trabeculaes which also has the regions of cortex containing follicles dividing B and T cells. The other region of medulla that has medullary cords.
Spleen which is the large organ of the lymphoid system that allows immune surveillance and response to occur. It also cleans, recycles, and stores the blood. It has the components of both white and red pulp
Mucosa-associated lymphoid tissue that protects the body from pathogens in which it consists of tonsils, Peyer's patches, and appendix. The tonsils is in the throat that gather and remove pathogens that are invading. The patches form a wall near the small intestine. The appendix prevents bacteria to enter the wall of patches and create memory cells to fight pathogens.
Thymus which T lymphocytes grow to enhance the protection and responses of our bodies to fight pathogens.
Innate/natural immune defenses and Adaptive/acquired immune defenses
Innate/natural
Innate - nonspecific immunity that is associated with anatomic barriers, inflammatory barriers, and phagocytes. Also have rapid response along with pattern recognition.
Adaptive/acquired
Adaptive - slow response with memory and recognition that response B and T cells. Creates defenses for specific targets to kill.
Humoral vs. cellular response
Humoral
Involves B cells that recognizes and binds with antigens and antibodies. Enhances the creation of B cells.
Cellular
T-cell recognition abnormal surface host cells that kill infected kills.
Antigens and antibodies
Antibodies
Y - shaped proteins that helps the body fight the foreign substances.
Antigens
Substances that signal the creation of antibodies that is a foreign substances such as viruses, bacteria, etc.
Disorders of the immune system
Sepsis - The inflammatory response that is uncontrollable in which the defenses are very delicate and fragile leading to issues with immune system responses.
Systemic lupus erythematosus - Disorder found in females that is an issue in the autoimmune system that damages kidneys, blood vessels, brain, and synovial membranes.
Hashimoto's thyroiditis - disease that both B and T lymphocytes attack the thyroid gland.