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A&P lll

Lymphatic System

what are 2 types of immunity Innate or nonspecific immunity Adaptive or specific immunity
which type of immunity is present at birth innate or nonspecific immunity
define innate or nonspecific immunity No specific recognition of invaders, no memory component 1st and 2nd line of defenses
define Adaptive or specific immunity Specific recognition of invaders with a memory component
true or false lymphatic system is an open end system true
Interstitial fluid and lymph are very similar. What is their major difference Their major difference is location
what does the lymphatic system consist of (not just organs of the system) Consists of lymph, lymphatic vessels, structures and organs containing lymphatic tissue, red bone marrow
function of the lymphatic system Drain excess interstitial fluid Return leaked plasma proteins to the blood Transport dietary lipid and lipid soluble vitamins (K, E, D, and A) Carry our immune responses
name the lymph organs Lymph nodes Spleen Thymus Lymph Lymph capillaries Lymph vessels Lymphatic trunks Lymph ducts -
what do lymph nodes do As lymph flows through the nodes, cells filter out and destroy foreign matter
describe Lymph nodes and its function bean-shaped structures consisting of a mass of B lymphocytes supported by a meshwork of reticular fibers in which are scattered phagocytic cells
what does a lymph node filter lymphatic fluid
what kind of cell is a lymph node B cell
true or false Many types of cancer cells are spread by way of the lymphatic system true
which is the Largest lymphoid organ in a body spleen
where is the spleen located Located between stomach & diaphragm in the LUQ (left hypochondriac region)
which organ is specialized to filter blood spleen
where is the thymus Thymus: overlies base of heart
what happens the thymus from infancy to a adolescents large during infancy and childhood; undergoes atrophy in adolescence
where is the thymus gland located Located in mediastinum
thymus gland secretes what Tymosins (hormones)
name the groups of tonsils and location pharyngeal tonsils (or adenoids) in nasopharynx palatine tonsils in oral cavity lingual tonsils along posterior one-third of the tongue
where does lymph empty lymph empties into bloodstream through venous blood flow
describe Lymphatic capillaries Slightly larger in diameter then blood capillaries Unique one-way structure Permits interstitial fluid to flow in and not out
what is Lymphatic capillaries function to transport digested fats from the small intestine into blood.
What is lymph Tissue fluid (interstitial fluid) that enters the lymphatic vessels
where does lymph flow through Lymph flow through the lymphatic capillaries
where does lymph flow through after the capillaries into Right Lymphatic Duct and Thoracic Duct (Left Lymphatic Duct).
Is The thoracic duct left or right (left lymphatic duct)
The right lymphatic duct drains where lymph from the upper right side of the body.
Lymphatic vessels empty into right and left subclavian veins
Lymph flows is a result of the what kind of action milking action of skeletal muscle contractions and respiratory movements.
true or false Lymphatic Organs & Tissues are distributed mimually throughout the body false, they are distributed widely
Primary lymphatic organs provide environment for what stem cells to divide & mature into B and T lymphocytes
red bone marrow gives rise to what to mature B cells
what is Metastatic Secondary tumor sites can be predicted by direction of lymphatic flow from primary site
what is LYMPHANGITIS  Inflammation of the lymph vessels
what causes LYMPHANGITIS Common cause bacteria called streptococcus pyogenes
what is LYMPHEDEMA Occurs due to accumulation of lymphatic fluid in the interstitial tissue due to tumor pressure, parasites, or surgery
what is Elephantiasis blockage by parasitic worms
what is LYMPHADENOPATHY disease of the lymph nodes Lymph nodes become swollen/ enlarged and may be painful and tender on palpation
what is LYMPHOMAS Cancers originating either from the lymphocytes in the lymph nodes or the lymphatic tissue in organs
what is Neoplasms new and abnormal growth of tissue in some part of the body, especially as a characteristic of cancer
examples of Malignant lymphoma Hodgkin’s lymphoma Non-Hodgkin’s lymphoma
describe key elements of LYMPHOMA Always malignant Accounts for 3% of all malignant diseases Malignant cells infiltrate lymph nodes spleen, thymus or bone marrow Hodgkin’s Non-Hodgkin’s
how many types of Non-Hodgkin’s LYMPHOMA are there 2
what are the types of Non-Hodgkin’s LYMPHOMA B-cell neoplasm or T-cell neoplasm NK-cell neoplasm
how many stages are there in Hodgkin’s LYMPHOMA 4
what are the stages of Hodgkin’s LYMPHOMA 1. Involvement of a single lymph node region 2. Two or more lymph node regions on the same side of diaphragm 3. Involvement lymph nodes on both sides of diaphragm w/o spleen involvement 4. Wide spread dissemination with involvement of extranodal tiss
what are the survival rates for the stages of odgkin’s LYMPHOMA l (90% - 10 years survival) ll(90% - 10 years survival) lll lV(50% - 5 years survival)
Created by: knt5411



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