Anatomy
The plasma that leaks from capillaries and into spaces between the cells of the tissues.
What is interstitial fluid?
Natural killer cells, B cells, and T cells.
What are the three types of lymphocytes?
_____ allow lymph to flow in one direction toward the heart.
What are valves?
Barriers such as skin, hair, stomach acid and saliva
What is the first line of defense? or What is barrier defense?
Site of return of lymph to cardiovascular system by lymphatic trunks.
What are the subclavian veins?
The fluid containing water & small solutes found within lymphatic vessels
What is lymph?
Clusters of lymphoid tissues spread throughout the intestinal tract.
What are peyer's patches?
Performs both lymphatic and hematologic functions.
What is the spleen?
A disease-fighting protein created in response to the presence of a specific antigen
What is an antibody?
Immunodeficiency that causes patients, over time, to lose ability to produce adaptive immune responses.
What is HIV?
A gland that provides a site to mature T-cells.
What is the thymus?
Returns lost fluid from the cardiovascular system using a network of low pressure vessels
What is the lymphatic system?
The build-up of fluids in interstitial spaces of peripheral regions of body
What is lymphedema?
Ability at birth to fight off infections.
What is natural, innate or passive immunity?
A severe allergic response that causes widespread vasodilation.
What is anaphylactic shock?
Small, bean-shaped structures that contain lymphocytes capable of destroying pathogens
What is a lymph node?
Nodules of lymphoid tissue found in the throat.
What are tonsils?
Allows for an active immune response to a pathogen without causing the person to experience symptoms of illness.
What is a vaccine?
The facilitating programming cell, usually located within lymph nodes.
What is the (CD4) Helper T-cell?
Genetic mutations causing deficiencies in both B & T cell formation.
What is (SCID) Severe combined immunodeficiency?
Leukocytes that defend the body against pathogens by specifically targeting antigens located on pathogen surfaces.
What are lymphocytes?
A protein that the body regards as being foreign
What is an antigen?
The process of destroying pathogens by surrounding and swallowing them
What is phagocytosis?
Subsequent exposures to a pathogen allows for faster and stronger response to infection.
What is secondary immune response?
Large lymphatic vessel that delivers lymph fluid to the left subclavian vein.
What is the thoracic duct?