Functions
The lymphatic system absorbs fats and fat-soluble vitamins through lacteals of the small intestine.
What does the lymphatic system absorb?
Lymphocytes are leukocytes formed in bone marrow that are crucial for the immune response.
What are lymphocytes?
Lymphadenitis is the inflammation of lymph nodes, often indicating an infection.
What is lymphadenitis?
Natural immunity is resistance to disease present without prior exposure or vaccination.
What is natural immunity?
Antibiotics inhibit the growth of or kill bacteria.
What are antibiotics?
Lymph nodes contain specialized lymphocytes that destroy pathogens and filter lymph to remove impurities.
What do lymph nodes do?
The thymus is located above the heart and reaches its greatest size at puberty.
Where is the thymus located?
Lymphedema is the swelling of tissues due to the abnormal accumulation of lymph fluid within tissues.
Define lymphedema.
It is the binding of antigens to antibodies, labeling a potentially harmful antigen for destruction.
What is the antigen-antibody reaction?
Antivirals treat viral infections and can provide temporary immunity.
What do antivirals do?
Lymph returns to the veins at the base of the neck after passing through the lymphatic vessels.
How does lymph return to the bloodstream?
Lymph nodes filter lymph to remove pathogens and other impurities.
What structures filter lymph?
Splenomegaly is the abnormal enlargement of the spleen, often caused by infection or immune dysfunction.
What is splenomegaly?
Acquired immunity is obtained through exposure to diseases or vaccinations that strengthen the immune response.
What is acquired immunity?
Immunotherapy stimulates or represses the immune response to treat conditions like cancer or allergies.
What is immunotherapy?
Lymph is a clear, watery fluid containing electrolytes and proteins that collects from interstitial fluid.
What is lymph?
The tonsils are masses of tissue that form a protective ring around the back of the nose and upper throat.
What are the tonsils?
Allergic reactions occur when the immune system reacts to harmless substances as if they were dangerous invaders.
What causes allergic reactions?
Factors include general health, age, and heredity
What factors affect immune response?
Corticosteroids are used primarily as anti-inflammatory and immunosuppressant agents.
What is the purpose of corticosteroids?
Lacteals are specialized structures that absorb fats that cannot be transported by the bloodstream.
What role do lacteals play?
The spleen is a sac-like mass of tissue that filters microorganisms from the blood and stores extra red blood cells.
What is the spleen?
An autoimmune disorder occurs when the immune system produces antibodies against its own tissues, mistaking them for foreign substances.
What is an autoimmune disorder?
Immunodeficiency disorders occur when the immune response is compromised or not functioning properly.
What are immunodeficiency disorders?
Antifungals destroy or inhibit the growth of fungi.
How do antifungals work?