lunes, 15 de noviembre de 2010

SISTEMA LINFATICO

Lymphatic System (vocabulary)·Lymph fluid
also known as lymph; plasma;is intercellular fluid as it returns to the venous cirulatory system; lymph picks up waste prodicts from the cells
·Lymph Capillaries
carries lymph fluids from the tissue to the larger lymph vessels
·Lacteals
are specialized lymph capillaries located in the villi of the small intestine. There fat and fat soluable vitamins are carried into the bloodstream
·Lymph nodes

bean shaped structures; located in lymph vessels. they filter lymph to remove harmful substances.
·Tonsils
mases of lymphatic tissue that form a protective ring around the nose and upper throat.
·Vermiform appendix
lymphatic tissue that from the lower portion of the cecum of the large intestine.
·Peyer's patches
are small bundles of lymphatic tissue located on the walls of the ileum of the small intestine.
·Spleen
mass of lymphatic tissue located in the left upper quadrant of the abdomen,forms lymphocytes and monocytes.removes worn out red out blood cells.
·Thymus
composed largely of lymphatic tissue it plays an important role in the endocrine and immune system

*lymph
fluid of lymphatic system
*lymphatic system
moves in one direction-toward subclavian veins: move only thru pressure
*right lymphatic ducts
drains lymph from right arm and right side of head and right thorax to right subclavian vein
*thoracic duct
drains lymph from the rest of the body into the left subclavian vein
*cisterna chyli
lymphatic sac at the beginning of the thoracic duct between the abdominal aorta and L2
*bone marrow
pluriptent stem cells-precursor blood cells
*B cells
mature in bone marrow
*T cells
mature in thymus
*spleen
largest lymphatic organ
*lymph nodes
only place where lymph is filtered:cer, axillary & inguinal nodes are routinely checked by phsicians
*mucosal-associated lymphoid tissue(MALT)
collection of nodules in mucosa or submucosa of digestive tract
*tonsils
around throat
*peyer's patches
small intestine
*vermiform appendix
inferior to the cecum
*immunity
defense reaction to microorganisms
*natural immunity
nonspecific response to invading pathogens
*fever
elevated body temperature to kill pathogens
*inflammation
protective mechanism that
stabilizes & prepares damaged tissue: local heat, swelling, redness, pain & decreased function
*acquired immunity
diverse but specific response to pathogens
*AIDS
acquired immunodeficiency syndrome:caused by HIV..adjust to clients stamina
*allergies
overreactionof the immune system to harmless agents:avoid possible allergens
*chronic fatigue syndrome
disabling fatigue: shorter duration of massage if client is fatigued
*Hodgkin's Disease
cancer of the lymph nodes: physicians clearance
*Lupus Erythematosus
autoimmune disease of connective tissues:massage contraindicated suring flare-ups


Video Vocabularylymphatic system
cells
blood cells
lymph nodes
bacteria
oxygen
nutrient
capillarys
fluids
lymphatics vessels
nodes
tissue fluids


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