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Chapter 6 L&S system

Medical Terminology

anti against
phag eat; engulf
tox poison
lymph lymph; clear watery fluid
immun protected
onc tumor
-plasm growth
sarc flesh
spleen spleen
brachy short
-therapy treatment
tele distance
-opsy view
bio life
mast breast
-stasis stopping; remaining the same
meta beyond
thym thymus gland
-genesis reproduction
fung fungus
-static controlling
-cide death
bacteri bacteria
edema swelling
-lysis destroy
inguin groin
axill armpit
cervic neck
mamm breast
ana up
-phylaxis protected
inter between
stit to stand
allergist specializes in allergic reactions
immunologist specializes in treating immune system disorders
oncologist specializes in diagnosing malignant disorders; cancer, tumors
villi are small finger-like projections that line the small intestine. blood vessels in the Villi absorbs most of the nutrients from digested food directly into the blood stream
lacteals specialized structures located in the villi and are specialized structure's of the lymphatic system. Fats and fat soluble vitamins that that can't adsorbed by the blood stream, are absorbed by the lacteals
lymphatic system removes waste products and excess fluid created by cells. It destroys pathogens and takes away foreign substances.
Structures of Lymphatic System lymph, lymphatic vessels, ducts, lymph nodes, tonsils, thymus, spleen, lacteals, peyer's patches, vermiform appendix and lymphocytes
lymphatic system is sometimes referred to as the secondary circulatory system
Interstitial fluid is plasma from arterial blood, comes from the capillaries into spaces between the cells. the fluid transports food, oxygen and hormones to the cells
Lymphatic Capillaries are microscopic located near the surface of the body. they separate briefly to allow lymph to enter the capillary and this action of the cells as they close forces the lymph to move forward
Lymphatic Vessels flows from lymphatic capillaries into the lymphatic vessels located deeper with the tissues they have valves to prevent the backward flow
right lymphatic duct collects lymph from the right side of the head and neck, upper right quadrant of the body and arm, it empties into the right subclavian vein.
thoracic duct is the largest lymphatic vessel in the body collects lymph from the left side of the head and neck and upper quadrant of the trunk and left arm and the entire lower portion of the trunk and both legs it empties into the left subclavian vein
lymph nodes unfiltered lymph flows into the nodes and here destroy harmful substance; bacteria, viruses and malignant tumors. additional structures within the node filter the lymph and remove impurities. then the lymph leaves the node and continues
Cervical lymph nodes cervic/al are located along the sides of the neck cervic / means neck al/ means pertaining to
Axillary lymph node axill/ary are located under the arm in the armpit. axill/ means armpit ary / means pertaining to
Inguinal lymph nodes inguin/al are located in the area of the lower abdomen inguin / means groin al / means pertaining to
tonsils are three masses of lymphoid that form a protective ring around the throat. they prevent pathogens from entering the body through the nose and throat
adenoids also known as nasopharyngeal tonsils are located in the nasopharynx
palatine tonsils located on the left and right sides of the throat they are visible through the mouth. palatine means hard and soft palates
lingual tonsils located at the base of the tongue. lingual means tongue
thymus located superior (above) the heart. is an endocrine glad that assists the immune system
Peyer's patches located on the walls of the ileum. ileum is last section of the small intestine. this protects against the entry of pathogens through the digestive system
vermiform appendix hangs from the lower portion of the cecum. cecum is the first section of the large intestine
spleen sac like mass of lymphoid tissues: it filters microorganisms and foreign material from the blood. it forms lymphocytes and monocytes that are specialized white blood cells they play a role in immune system
hemolytic hem/o/lytic the spleen has a hemolytic function of destroying worn-out red blood cells so they can be reused hem/o means blood -lytic / means to destroy
lymphadenitis lymphaden/itis inflammation of the lymph node lymphaden / means lymph node itis / means inflammation
lymphadenopathy lymphaden/o/pathy any disease process affecting a lymph node or nodes lymphaden/o / means lymph node pathy / means disease
lymphangioma lyphangi/oma is a benign tumor formed by an abnormal collection of lymphatic vessels do to congenital malformation of the lymphatic system lymphangi / means lymph vessels -oma / means tumor
splenomegaly splen/o/megaly enlargement of the spleen; caused by an injury, infectious disease; ( mononucleosis), or abnormal functioning of the immune system
splenorrhagia splen/o/rrhagia bleeding from the spleen splen/ means spleen rrhagia / means bleeding
lymphoscintigraphy diagnostic test that is performed to detect damage or malformations of the lymphatic vessels
lymphedema lymph/dema is swelling due to an abnormal accumulation of lymph fluid within the tissues lymph/ means lymph -edema / means swelling
primary lymphedema is a hereditary disorder to malformation of the lymphatic system can appear anytime in life produces swelling in the feet and legs
secondary lymphedema caused by damage to the lymphatic system that most commonly produces swelling in the limb nearest to the damaged lymphatic vessels; cancer treatment,trauma, radition
immune system primary functions is to maintain good health and to protect the body from harmful substances
harmful substance pathogens - disease-producing microorganisms allergens - substances that produce allergic reactions toxins- poisonous or harmful substance malignant cells - potentially life threatening cancer cells
intact skin wraps the body in a physical barrier that prevents invading organisms from entering the body: Intact means no cuts, scrapes,breaks in the skin.
respiratory traps breathed in foreign matter with noise hair and moist mucous membrane lining of the respiratory system; tonsils form a protective ring around the entrance to the throat; sneezing and coughing help to expel if from the respiratory system
digestive system uses the acids and enzymes produced by the stomach to destroy invaders that are swallowed or consumed with food
lymphatic system are specialized white blood cells work together in specific ways to attack and destroy pathogens that have succeeded in entering the body
antigen-antibody reaction also known as immune reaction, this reaction labels a potentially dangerous antigen so it can be recognized and destroyed by other cells in the immune system
antigen any substance that the body regards as being foreign; viruses, bacteria, toxins, transplanted tissue. the immune system immediately responds to any antigen
allergen is a substance that produces an allergic reaction in an individual
antibody is a disease-fighting protein created by the immune system in response to the presence of a specific antigen / antibody and immunoglobulin are used interchangeably
Created by: cameronslc