Immune System: Disorders of the Immune System and Immunology
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Disorders of the Immune System

Disorders of the Immune System
Allergic Diseases
This includes hay fever, sinus disease, asthma, hives, dermatitis, and eczema.
Autoimmune Diseases
Includes multiple sclerosis, autoimmune thyroid disease, type 1 diabetes, systemic lupus erythematosus, rheumatoid arthritis, and systemic vasculitis.
Immunodeficiencies
These are inherited from a parent to the child.
Includes primary immunodeficiency diseases such as x-linked severe combined immunodeficiency (SCID), complement deficiencies, etc.
Immunology
It is the branch of medicine and biology concerned with immunity.
It can also be defined as the study of the immune system, the cell-mediated and humoral aspects of immunity and immune responses.
When immune system is weak or stop functioning:
Infectious diseases
Allergies
Fever
Flu
The Immunology of transplantation:
The process of transplantation from a donor to the recipient.
The recipient’s body does not reject the organ.
Immunology Techniques

Immunology Techniques
Applications of Immunology
Medicine
Fields of organ transplantation.
Oncology
Rheumatology
Virology
Bacteriology
Parasitology
Psychiatry
Dermatology
FAQs
Q 1. What is Passive Immunity?
Answer:
Passive Immunity is produced by antibodies produced outside the body.
Lasts for a short duration of time.
For e.g. temporary immunity is provided to a baby by antibodies present in a mother’s breast milk.
Q 2. What are the applications of Immunology?
Answer:
Applications of Immunology are:
i) Medicine
ii) Fields of organ transplantation.
iii) Oncology
iv) Rheumatology
v) Virology
vi) Bacteriology
vii) Parasitology
viii) Psychiatry
ix) Dermatology
Q 3. What are the elements of Innate Immune System?
Answer:
Elements of Innate Immune System are:
i) Dendritic Cells
ii) Phagocytic Cells
iii) Natural Killer
iv) Physical epithelial barriers
v) Circulating plasma proteins
Q 4. What are the symptoms of Immune Dysfunction?
Answer:
Following are the symptoms of Immune Dysfunction:
i) Autoimmune disorders.
ii) Painful joints and muscles.
iii) Herpes (cold sore) outbreak.
iv) Rhinitis or a constant runny nose.
v) Psoriasis, eczema, hives, or rashes.
vi) Bowel disorders.
vii) Parasite infections.