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45 Cards in this Set

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Lysozyme
An additional defense in tears and saliva, which is an enzyme that hydolyzes the peptidiglycan in the cell wall of bacteria
tears and saliva
Immunology
encompasses the study of all features of the body's 2nd & 3rd lines of defense
2nd & 3rd
A healthy functioning immune system is responsible for:
1 surveillance of the body 2 recognition of foreigh material, 3 destruction of entities deemed to be foreign
3 things
Discuss Self and Non Self
A process is carried out primarily by white blood cells, which have been trained to recognize body cells (self) and differentiate them from any foreign matter in the body such as invading bacteria. (non self)
Serum
this substance is essentailly the same as plasma, except it is clear fluid from clotted blood. It is usually used in immune testing and therapy
Stem cells
The primary precursor of new blood cells is a pool of undifferentiated cells, maintained in the marrow.
Mast Cells
Specialized tissue cells similiar to basophils that trigger local inflammatory reactions and are responsible for many allergic symptoms
Red Blood Cells
Carry o2 and co2
Platelets
Involved in blood clotting and inflammation
Neutrophils
Essential blood phagocytes, active engulfers and killers of bacteria
Basophils
Functioning in inflammatory events and allergies
Eosinophils
Active in worm and fungal infections, allergy and inflammatory reactions
Monocytes
Blood phagocytes that rapidly leave the circulation mature into macrophages
Lymphocytes
Primary cells involved in specific immune reactions to foreign matter
T cels
Perform a number of specific cellular immne responses such as assisting B cells and killing foreign cells ( cell-mediated Immnunity)
B cells
Differentiate into plasma cells and form antibodies (humoral immunity)
Dendritic cells
Relatives of macrophages that reside throughout the tissues and RES; responsible for processing foreign matter and presenting it to lymphocytes
Blood Cells
Cellular components of the blood consisting of red blood cells, primarily responsile for the transport of o2 and co2 and white blood cells primarily responsible for host defense and immune reactions
hemopoiesis
The process by which the various types of blood cells are formed, such as in the bone marrow
Immunity
An acquired resistance to an infectious agent due to prior contact w/ that agent
Immunology
The study of the system of body defenses that protect against infection
Leukocyte
White cells. The primary infection - fighting blood cells
Markers
Any trait or factor of a cell, virus, or molecule that makes it distince and recognizable ex. a genetic marker
Plasma
The carrier fluid element of blood
Reticuloendothelial System
AKA as the mononuclear phagocyte system it pertains to a network of fibers and phagocytic cells Macrophages) that permeates the tissues of all organs. ex Kupffer cells in liver sinusoids, alveolar phagocytes in the lung, microglia in nervous tissue
Whole Blood
A liquid connective tissue consisting of blood cells suspended in plasma
Erythrocyte
(red blood cells) Blood cells involved in the transport of oxygen and carbon dioxide
Granulocyte
A mature leukocyte that contains noticeable granules in a Wright Stain, ex neutorphils, eosinophils, and basophils
Agranulocyte
One form of leukocyte, (white blood cells) having globular, non-lobed nuclei and lacking priminent cytoplasmic granules
Cell mediated immunity
Type of immune responses brought about by T-cells, such as cytotoxic and helper effects
Chemotaxis
The tendency of organisms to move in response to a chemical gradient (torward an attractant or to avoid adverse stimuli)
Diapedesis
The migration of intact blood cells between endothelial cells of a blood vessel such as a venule
Phagocytosis
A type of endocytosis in which the cell membrane actively engulfs large particles or cells into vesicles
Lymphatic System
A system of vessels and organs that serve as sites for developement of immune cells and immune reactions. It includes the spleen, thymus, lymph nodes, and GA LT
Thymus
Butterfly-shaped organ near the tip of the sternum that is the site of the T-cells maturation
Chemical Mediators
Small molecules that are released during inflamation and specific immune reactions that allow communication between the cells of the immune system and facilitate surveillance, recognition and attack
Cytokines
A chemical substance produced by white blood cells and tissue cells that regulates development, inflammation, and immunity
Edema
The accumulation of excess fluid in cells, tissues, or serous cavaties. Also called swelling
Interferon
Naturally occuring poly-peptides produced by fibroblasts and lymphocytes that can block viral replication and regulate a variety of immune reactions
Lysosome
A cytoplasmic organelle containing lysozyme and other hydrolytic enzymes
Macrophage
A white blood cell derived from a monocyte that leaves the circulation and enters tissue, these cells are important in non-specific phagocytosis and in regulating, stimulating and cleaning up after immune responses
Humoral Immunity
antibody-mediated immunity occurring within blood plasma and other body fluids
Pyogenic
pus forming
Histiocytes
Specialized macrophages that migrate to a certain tissue and remain there during their lifespan. ie alveolar - lung, Kupffer - liver, langerhans - skin
Complement
any of several proteins normally present in blood serum that when activated kill foreign cells by puncturing them