Immunology 2 Flashcards
(20 cards)
The cells of the immune system all derive from precursors in the bone marrow, name these
Haematopoietic stem cells
Sites where T and B cells become activated by antigen are called
Secondary Lymphoid Tissues
Name the three Secondary Lymphoid Tissues
Lymph nodes
Spleen
Mucosal-associated lymphoid tissues
Name the two Primary Lymphoid Tissues
Thymus
Bone Marrow
Describe the lymphatic system
System of vessels draining fluid from body tissues (‘lymph’)
Lymph nodes are positioned regularly along lymph vessels – trap pathogens and antigens in lymph
_______:
derived from blood plasma in tissues - drains back to bloodstream via lymphatic vessels and the right subclavian vein
Lymph
How does lymph move
via valves and the movement of muscles
________ are positioned along lymph vessels to monitor the lymph for signs of infection
Lymph nodes
________ is also known as lymphatic obstruction
Lymphoedema
Lymphoedema is caused by… (3)
Cancer treatments
Parasitic infections
Inherited genes
__ cells produce cytokines that help phagocytes kill ingested bacteria
T
__ cells produce antibodies that coat bacteria and help phagocytes eat them
B
______ cells and _______ act as antigen presenting cells which are essential for T cell activation
Dendritic
Macrophages
All animals and plants possess a non-specific defense system called the ______ _______ _______.
Innate Immune System
Vertebrates have an additional and powerful immune response called _______ _______
adaptive immunity
In an innate immune response the ____ biological response is produced in response to many different pathogens.
same
What ‘arm’ of the immune system is responsible for immunological memory?
Adaptive Immune System
What is the rapid (mins/hours) immune response
Innate
What is the slow (days) immune response
Adaptive
What ‘arm’ of the immune system has a unique response generated for each individual pathogen
Adaptive Immune System