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31 Cards in this Set
- Front
- Back
Lymphatic System: ___, ___, and ____ responsible for _____ from disease
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organs, cells, vessels
protection |
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resistance against infection and disease
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immunity
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any foreign substance in the body
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antigen
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molecule that destroys antigens
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antibody
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COMPONENTS OF LYMPHATIC SYSTEM
Lymphoid Organs: -___ ____ -_____ -_____ |
lymph nodes (cervical, axillary, inguinal)
spleen thymus |
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COMPONENTS OF LYMPHATIC SYSTEM
cells: -_______ -_______ |
lymphocytes
macrophages |
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COMPONENTS OF LYMPHATIC SYSTEM
-_____: ____ similar to blood -_____ _____: carry ____ from ____ between cells to the _____ system |
Lymph: fluid
Lymphatic vessels: carry lymph from spaces between cells to the venous system |
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the largest lymph vessel
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thoracic duct
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LYMPHOCYTE PRODUCTION AND CIRCULATION
-_______ produced in ___ ____ and later _____ in ___ ___ or ___ ____ |
lymphocytes produced in bone marrow later mature in bone marrow or the thymus gland
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LYMPHOCYTE PRODUCTION AND CIRCULATION(2)
lymphoctyes then ____ to ___ ____ involved in the immune response: -lymph ____ -lymph _____ -_____ -_____ -_____ |
migrate to lymphoid organs
-nodes -nodules -appendix -tonsils -spleen |
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LYMPHOCTYE PRODUCTION AND CIRCULATION(3)
most lymphocytes are ____ in ____ ____ and _____ ____, NOT in the blood |
stored in connective tissue and lymphoid organs
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CLASSES OF LYMPHOCYTES
1. ___ lymphocytes: -mature in ____ ____ -differentiate into ___ ___ -produce ______ -responsible for ____-_____ immunity |
B lymphocytes:
-bone marrow -plasma cells -antibodies -antibody-mediated immunity |
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CLASSES OF LYMPHOCYTES
2. ___ lymphocytes: -mature in the ___ ___ -primarily involved in ___-____ immunity -directly ____ foreign or infected ____ and ____ |
T lymphocytes:
-thymus gland -cell-mediated immunity -directly attack cells and organs |
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LYMPH NODES
-____ of densely packed _____ -_____ _____: presence changes based on presence of antigens |
spheres of lymphocytes
transient structures |
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LYMPHOID ORGANS
-unlike lymph nodules, lymph organs are ___ ____ -include 5 examples |
permanent structures
-lymph nodes -spleen -thymus -tonsils -appendix |
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LYMPH NODES:THE GREAT ____ OF LYMPH
-____ passes through a series of lymph ____ connected by lymphatic _____ before returning to general circulation |
FILTERS
-lymph -nodes -vessels |
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LYMPH NODES
-____ _____ from the lymph -_____ 99% of the _____ -initiate ____ ____ against remaining 1% |
nodes filter antigens
destroy antigens initiate immune response |
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HISTOLOGY AND FUNCTIONS OF LYMPH NODES
-lymph node is composed of: outer _____ and inner _____ |
cortex
medulla |
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HISTOLOGY AND FUNCTIONS OF LYMPH NODES
cortex and medulla contain -___ ___ composed of __ and __ _____ -______:lymph-filled ____ containing _____ |
-lymph nodules: B and T lymphocytes
-sinuses: spaces contain macrophages |
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HISTOLOGY AND FUNCTIONS OF LYMPH NODES(3)
-____ ____: deliver ____, _____, and _____ |
afferent vessels
-lymph -lymphocytes -antigens |
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HISTOLOGY AND FUNCTIONS OF LYMPH NODES(4)
___% of ___ flows through the ______ containing ______ which _____ any ______ and out the lymph node via the _____ ____ |
99% of lymph flows through the sinuses containing macrophages which destroy any antigens and out the lymph node via the efferent vessel
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HISTOLOGY AND FUNCTIONS OF LYMPH NODES(4)
__% of ___ trickles more slowly through the ___ ____ in the cortex containing B and T cells if there is _____ in the lymph, it activates __ lymphocytes triggers an ____ ____ |
1% of lymph
lymph nodules antigen activates B lymphocytes immune response |
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THE IMMUNE RESPONSE
-activated __ lymphocytes ____ -some of these B lymphocytes _____ and ______ into ____ ___ |
B lymphocytes divide
migrate and mature into plasma cells |
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The IMMUNE RESPONSE(2)
-____ ___ produce ______ against the _____ |
plasma cells produce antibodies against the antigen
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THE IMMUNE RESPONSE(3)
-the _____ enter the general circulation of lymph via the ____ ____ to ____ the _____ in the lymph before it reaches the _______ |
antibodies via the efferent vessel
destroy the antigen in the lymph before it reaches the bloodstream |
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THE IMMUNE RESPONSE(4)
-some of these B lymphocytes ___ the lymph node via the efferent vessel and travel to other ___ ___ to ____ the antigen before the lymph reaches the ______ |
-leave the lymph node
-other lymph nodes destroy the antigen before the lymph reaches the bloodstream |
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THE IMMUNE RESPONSE(5)
-some of these B lymphocytes become ____ ____ |
memory cells
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FUNCTIONS OF THE SPLEEN: THE GREAT _____ OF ____
1. initiates the ____ ____ in response to _____ in the blood 2. _____ antigens |
FILTER OF BLOOD
immune response, antigens destroys antigens |
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HISTOLOGY OF THE SPLEEN
composed of __ ___: contains -__ ___ ___ -________ -site of _______ by macrophages |
red pulp:
-red blood cells -macrophages -phagocytosis |
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HISTOLOGY OF THE SPLEEN(2)
scattered amongst the red pulp is ___ ___: -____ _____ -contains B and T ______ -sites of ___ ____ by the b and T cells |
white pulp:
-lymph nodules -lymphocytes -immune response |
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THE THYMUS
-contains an outer ____ and inner ____ -NOT involved in ___ ____ -site of __ ______ ______ |
-cortex and medulla
-immune response -T lymphocyte maturation |