The Lymphatic system

In Glogpedia

by ryaneruszala
Last updated 4 years ago

Discipline:
Science
Subject:
Human Anatomy
Grade:
10

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The Lymphatic system

The function of the immune system is to protect the body against dangerous disease. Immunology is the study of biology and immunity.

Main Function

Specific vs. Nonspecific

Immunity vs. Vaccine

B Cells and T Cells

B cells and T cells are made and "trained" in the thymus gland. B-Cells (lymphocytes) make antibodies against an infection or virus that is in your body. T-Cells aid in the immune response to destroy the unwanted virus. After they are destroyed, the tissue in the body is injured.The tissue releases histamine, which causes nearby blood vessels to leak, causing swelling (also known as inflamation). Bone marrow helps to produce and store white blood cells (leukocytes) which fight antigens. Macrophages are large white blood cells that are present at the site of infection.

Our skin is made up of mostly water and proteins. Skin and hair protect from ultraviolet radiation, which can be dangerous. The top layer (the epidermis) is very very thin, but provides the most protection from bacteria. This layer includes Langerhans cells that fight off antigens. Lymph vessels are present in the second layer called the dermis. These vessels contain a clear liquid containing white blood cells - which are needed to fight bacteria.

Nonspecific: This is the natural immunity you were born with. These are barriers inside/outside your body that protect you. (Antibodies from white blood cells).

Specific: Altered specifically to fight an antigen. This includes medicines and vaccines.

Skin: Our Best Defense

When someone is allergic to something, this means that they are producing too much immunoglobulin that is against that substance. After the exposure, chemicals send signals to make more immunoglobulin, which causes the symptoms associated with food allergies.

Immunity is when your body is already immune to the symptoms of an illness. Vaccination, however, is when a doctor inserts a small amount of the antigen into your body so that your cells can learn how to fight off that specific antigen. Then when you do get sick, your body will already know how to fight it.

This disease's symptoms include producing TOO MANY white blood cells and other antibodies.The kidneys are usually affected and nerve damage occurs. Only occurs in people with a history of asthma or other allergies. It is very hard to diagnose, for the first symptoms closely mimic the common cold.

Churg-Strauss Syndrome

An Allergic Response

The Lymphatic System

Antigen-Antibody Reaction

When an antigen is found by the body, antibodies are released. Antibodies help to fight off antigens. In an antibody, the antigen-binding region attaches to both sides of the immunoglobin. This creates three regions, which are specialized to bind to a specific antigen.


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