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Chapter 12 Terms
Chapter 12 Terms
19
Microbiology
Undergraduate 2
11/08/2016

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Term
Immunity
Definition
ability to resist microbes, their products, and environmental products such as pollen
Term
Innate Immunity (nonspecific)
Definition
all of the body’s defenses that continually protect against any invader; includes physical and chemical barriers, and elements in the blood.
Term
Adaptive Immunity (specific)
Definition
immunity refers to defenses specific for a particular pathogen; slower, but usu involves memory; vertebrates only
Term
Lysozymes
Definition
an enzyme found in tears and saliva that hydrolyzes the peptidoglycan in the cell wall of bacteria
Term
Immunology
Definition
The study of all features of the body’s second and third lines of defense
Study of the body’s response to infectious agents
Study of allergies and cancer
Term
Pathogen-associated molecular patterns (PAMPS)
Definition
Markers that many different kinds microbes have in common
Term
Pattern Recognition Receptors (PRRs)
Definition
Used by host cells with important roles in the innate immunity of the second line of defense
Recognize PAMPs
Term
What does MPS stand for
Definition
Mononuclear phagocyte sytems
Term
What does ECF stand for
Definition
Extracellular Fluid
Term
What does GALT stand for
Definition
Gut-associated lymphoid tissue
Term
Hematopoiesis
Definition
production of blood cells
Term
Stem Cells
Definition
primary precursor of new blood cells maintained in the bone marrow
Term
What are leukoctyes
Definition
white blood cells (WBCs)
Term
What does Phagocyte mean?
Definition
Eating cell
Term
Pus
Definition
the accumulation of a whitish mass of cells, liquefied cellular debris, and bacteria
Term
pyogenic
Definition
bacteria such as streptococci, staphylococci, gonococci, and meningococci that stimulate the formation of pus
Term
Pyrogens
Definition
substances that reset the hypothalamic thermostat to a higher setting
Term
Exogenous pyrogens
Definition
products of infectious agents such as viruses, bacteria, protozoans, fungi, endotoxin, blood, blood products, vaccines, or injectable solutions
Term
Endogenous pyrogens
Definition
liberated by monocytes, neutrophils, and macrophages during phagocytosis such as interleukin-1 and tumor necrosis factor
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