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clear, watery fluid (like plasma) that travels through a network of nodes and channels
lymph
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system that collects and drains lymph from different areas of the body and carries it through the lymphatic channels back to the venous system
lymphatic system
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The system in which lymph is placed and mixed with venous blood, to be recirculating
venous system
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these are found close to and parallel to veins that carry blood to the heart
lymph capillaries
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the ends of the lymph capillaries meet to form what?
larger lymph vessels
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the right chest and the right arm meet the right lymphatic duct, which drains into the right
subclavian vein
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the lymphatic vessels from all other parts of the body come together at the thoracic duct which drains into the
subclavien vein
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a receptacle for the lymph before the lymph passes into the thoracic duct
cisterna chyli
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the fat from the intestines travels through the lymphatic system and enters the bloodstream by this mechanism
cisterna chyli
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little bodies present in the lymph channels that filter lymph before it enters the bloodstream
lymph nodes
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spleen, tonsilsm adenoidsm and thymus gland
organs that are related to the lymphatic system
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system includes cells located in many sysytems tht have the immune and lymph system functions these functions include defense against infection
reticulendothelial system
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lymph tissue within the intestine
peyer's patches
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soft, very vascular, oval organ located between the stomach and diaphragm in the left hypochondriac region of the body
spleen
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blood channels inside the spleen
sinusoids
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-release of hemoglobin from the destruction of old red blood cells
-storeage of blood for release when it is needed by the body
-filtration of destruction microorganisms by phagocytes
-production of red blood cells prior to bbirth, and after birth only when sever hemolytic anemias are present
functions of the spleen
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organs that are really a coolection of lymphoid tissue located in the oral cavity at the fauces.
tonsils and adenoids
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collection of lymphoid tissue
tonsil
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located in the pharynx and also known as the adenoid
pharyngeal tonsil
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situated close to the roof of the mouth
palatine tonsil
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situated close to the rootof the tongue
lingual tonsil
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mass of tissue that resembles a gland
adenoid
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refers the the enlargement of the pharyngeal tonsils
adenoids
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this organ is near the trachea in the thoracic cavity and like the tonsils, intestine, and skin, is a lymphoepithelial organ that acts in defense of foreign invasion of organisms and antigens from the outside. It is involved in lymphcyte production and is the primary site where Y-lymphcytes differentiate and become viable
thymus gland
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the lymphoepithelial tissue in the small intestine
Peyer's patches
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a group of lymphomas caused by specific cancer cells
hodgkin's disease or Hodgkin's lymphoma
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lymphoma not considered hodgkin's disease also referred to as lymphosarcoma
non-Hodgkin's disease
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condition that is spread from person to person characterized by the development of white blood cells that have one nucleus
infectious mononucleosis
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malignant tumor of the lymph glands
lymphosarcoma
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inflammation of the tonsils (sometimes associated with peritonsillar abcess
tonsilitis
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collection of pus around the tonsil
peritonsillar abcess
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bodys ability to resist organisms or poisons that tend to damage its tissues and organs
immunity
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-depends on the bodys ability to develop circulating antibodies which attack an invading agent
-circulates antibodies in the fluids of the body; thus the name
-acts under the influence of tissues that are similat to tissue in birds known as bursa of fabricius.
-protects the body against some bacteria and some viral infections
B-Cell Humoral Immunity
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tissues that are similar to birds
bursa of fabricius
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depends on the body's ability to develop lymphocytes, which cattack an invading agent to destroy it
T-Cell Immunity
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specialized white blood cells that attack invading agents and destroy them
lymphocytes
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immunity is under the influence of what gland?
thymus gland
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this immunity protects the body against viruses, fungi, some bacteria, and cancers, and it works against organs that have been transplanted
T-Cell (Cellular) Immunity
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resistance to a particulat disease developed by people who have had the disease
acquired immunity
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resistance in which the antibodies that have been produced by a person currently exist
active immunity
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action taken that results in a person's having resistance to a particular disease
immunization
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preperation used to stop or decrease the immmune response that leads to tissue injury or transplant rejection
immunosuppressent
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of resistance a newborn child has received from its mother.
natural immunity
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type of immunity in which a person does not form his own antibodies but rather are given antibodies against a specific disease from other sources
passive immunity
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capable of acquiring a specific disease
susceptable
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preperation intended for active immunilogical prophylazis (dissease prevention)
vaccine
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the bodys response to outside invaders such as dust, dander, rag weed, and seafood "hypersensitive reaction"
allergy
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produced by lyphocytes to act against such things as bacteria , viruses, or other substances considered to be antigens
antibodies
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substance that controls histamine, which is involved in the inflammatory process
antihistamine
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disease in which there is an immune response to substances within the body itself
autoimmune disease
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a condition in which the immune system becomes deficient and the person becomes susceptible to infection
acquired immune deficiency syndrome
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a bacteria, protozoan, or fungus that would not normally cause an illness in a person but takes the opportunity to do so in a person with an immunedeficiency
oppotunistic infection
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a reaction seen as an inflammation of the lining of the nose resulting in fluid draining from the nose (a runny nose)
allergic rhinitis
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acute, allergic response tht occurs in a person who does not have protection from a particular antigen
anaphylaxis
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allergic reaction charcterized by swelling of blood vessls close to the suraface of the skin; often seen on the mouth and lips
angioedema
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allergic reaction to some food causing symptoms that make it intolerable to eat certain foods
food allergy and intolerance
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diseases in which the body sets up a defense mechanism against its own collagen or connective tissue
autoimmune collagen disorders
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-dermatomyosistis
-periarterias nodosa
-rheumatoid arthritis
-scleroderma
-systemic lupus erythematosus
autoimmune disorders
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disorder in which the body sets up a defense that breaks down blood cells
hemolytic autoimmune disorders
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idiopath thrombocytopenia purpura
acquired hemolytic anemia
autoimmune leukemia
examples of Hemolytic autoimmune disorders
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the act of grafting tissue from one person to another of the same species but of a different genotype (the total of hereditary information present in a human being)
allotransplantation
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procedure in which bone marrow is transplanted into a person for the purpose of producing blood cells
bone marrow transplant
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organ to be transferred is taken from a dead person
cadaver transplant
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situation that occurs when the body treats the transplanted tissue or organ as a foreign invader and does not allow it to function
rejection
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procedure in which stemcells are tranferred from one's blood to another's
stem cell transplant
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process in which stem cells are transplanted from one person's blood to another's
pheresis
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