Usuário Discussão:JMagalhães/Notepad1

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Mechanisms of the immune system

Nonspecific, innate immunity

EXTERNAL BARRIERS TO INFECTION

SKIN

MUCOUS MEMBRANES

CHEMICAL BARRIERS TO INFECTION

CHEMICALS WITH INCIDENTAL PROTECTIVE EFFECTS

ANTIMICROBIAL PROTEINS

Complement

Interferons

PROTEINS FROM NATURALLY OCCURRING BACTERIA

CELLULAR DEFENSES

SCAVENGER CELLS

Granulocytes

Macrophages

NATURAL KILLER (NK) CELLS

NONSPECIFIC RESPONSES TO INFECTION

ACUTE-PHASE RESPONSE

INFLAMMATORY RESPONSE

Specific, acquired imunity

The Nature of lymphocytes

General Carachteristics

Location in the lymphatic system

T and B cells

Ability ro recognize foreign molecules

Receptor molecules

Antigens

Diversity of lymphocytes

B-cell antigen receptors and antibodies

Basic structure of the immunoglobulin molecule

Classes of immunoglobulins

IgG

IgM

IgA

IgD

IgE

Normal production of antibody

T-cell antigen receptors

Structure of the T-cell receptor

Function of the T-cell receptor

Life cycle of T and B lymphocytes

T cells

B cells

Activation of T and B lymphocytes

Activation of T cells

Helper T cell activation

Results of helper-T-cell activation

Activation of B cells

Antibody mediated immune mechanisms

Protective attachment to antigens

Activation of the complement system

Activation of killer cells

Other antibody-mediated mechanisms

Transfer of antibodies from mother to offspring

Prophylatic immunization

Passive immunization

Active immunization

Evolution of the immune system