Term
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Definition
| The body's fluids (blood and fluid between cells), the opposite of intracellular. |
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Term
| Where is humoral immunity effective? |
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Definition
Extracellular Toxins Viruses
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Term
| What happens in the recognition phase of humoral immunity? |
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Definition
The Ag recognizes and binds specifically to B cell lymphocytes based on shape. |
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Term
| What happens in tha activation phase of humoral immunity? |
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Definition
Clonal expansion -genetically identical clones of B cells are replicated through mitosis. The B cells are differentiated into to cells types: Effector and Memory Cells.
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Term
| What are effector B cell lymphocytes? |
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Definition
| Active plasma cells that make and release protein Abs specific to Ag. They are part of the primary response. |
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Term
| What are memory B cell lymphocytes? |
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Definition
| The nonactive B cells that stay in the body/system for secondary reponse to a second infection of the same Ag. |
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Term
| What is the difference between the primary and secondary response? |
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Definition
IgM and IgG are part of the primary response.During the first infection there is a lag period and IgM responsed fast and first. IgG respond later. During the secondary infection there is no lag time. IgM and IgG memory B Cells respond at the same time but IgG has higher concentrations and are sustained. |
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Term
| What are the four functions of the antibodies? |
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Definition
Antitoxin (Directly neutralizes) Virus inactivator (Directly neutralizes) Opsonin (Promotes Phagocytosis) Complement Activator (Promotes Phagocytosis)
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