Term
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Definition
not just defense against microorganisms
not just defense
most fundamental definition based on distinguishing self from non-self |
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Term
| Four classes of pathogens |
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Definition
1. bacteria (extracellular/intracellular)
2. viruses (intracellular)
3. parasites
4. fungi |
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Term
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Definition
| is bounded specifically to toxins and neutralize them |
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Term
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Definition
developed during the lifetime of an individual
lifeleong protective immunity
slow to develop |
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Term
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Definition
nonspecific
no long lasting immunity against specific immunity |
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Term
| Five types of white blood cells |
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Definition
neutrophils
lymphocytes
monocytes
eosinophils
basophils |
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Term
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Definition
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Term
| four types of phagocytic cells |
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Definition
dendritic cells
macrophages
neutrophils
eosinophils |
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Term
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Definition
antigen-presenting
lymphatic tissue
presents antigens to helper-t cells, initiating a primary immune response |
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Term
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Definition
| functions in innate immunity by destroying microbes and in acquired immunity as an antigen presenting cell |
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Term
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Definition
most abundant white blood cell
circulated in blood
attracted by signals in infected tissue
phagocytic
tend to self destruct ass they destroy foreign invaders (short life span) |
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Term
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Definition
destroy parasitic organisms
play major role in allergic reactions
mucosal surfaces
low phagocytic activit
destructive enzymes |
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Term
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Definition
| produces histamine and other molecules that trigger inflammation in response to infection and in allergic reactions |
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Term
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Definition
can kill tumor cells and virus infected cells ass part of innate immunity
detection of ABNORMAL ARRAY OF SURFACE PROTEINS |
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Term
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Definition
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Term
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Definition
| mature in the bone marrow |
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Term
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Definition
| migrate from the bone marrow and migrate to the thymus to mature |
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Term
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Definition
signaling molecule
group of small proteins secreted by number of cells types that regulate the function of other cells |
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Term
| Cells that release cytokines |
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Definition
macrophages
neutrophils
helper t cells |
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Term
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Definition
| proteins that provide innate defense by INTERFERING WITH VIRAL INFECTIONS |
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Term
| Interferon alpha and interferon beta |
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Definition
| secreted by virus infected cells, help nearby cells resist viral infection |
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Term
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Definition
secreted by t-cells
helps to activate macrophages |
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Term
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Definition
a protein secreted by plasma cells (differenetiated B cells) that binds to a particular antigen
ANTIGEN IS ANOTHER WORD FOR IMMUNOGLOBULIN |
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Term
Major histocompatibility complex molecule
(MHC) |
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Definition
| host protein that functions in antigen presentation |
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Term
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Definition
| any sustance that elicits a response from a b cell or a t cell |
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Term
| T cell's role in adaptive immunity |
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Definition
destroy infected cells to eradicate intracellular pathogens
all viruses, some bacteria
INTRACELLULAR |
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Term
| B cell's role in adaptive immunity |
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Definition
B cells secrete antibodies to attack extracellular pathogens
most bacteria
EXTRACELLLAR |
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Term
| T cell receptor (TCR) creation |
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Definition
V segment
D segment
J segment |
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