QUESTIONS AND ANSWERS GRADED A+ | INSTANT
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what is the lymphatic system? - SELECTED ANSWER 👀*** system of tissues
and vessels scattered throughout the body and services almost all regions
what are the parts of the lymphatic system? - SELECTED ANSWER 👀***
tonsils, thymus, spleen, peyer patch, small intestine, appendix, lymph nodes and
vessels
functions of the lymphatic system - SELECTED ANSWER 👀*** fluid balance,
protection, and absorption of fats
lymphatic circulation is - SELECTED ANSWER 👀*** one-way system that
begins in the tissues and ends when the lymph joins the blood
lymphatic capillaries - SELECTED ANSWER 👀*** walls (endothelium) flattened
epithelial cells, more permeable, cells overlap slightly, forming one-way valves,
lacteals absorb fat, arise blindly (closed at one end)
lymphatic vessels - SELECTED ANSWER 👀*** include superficial and deep
sets, right lymphatic duct and thoracic duct
,right lymphatic duct - SELECTED ANSWER 👀*** short vessel receives only
lymph that comes from the body's superior right quadrant and empties into right
subclavian vein near heart
thoracic duct - SELECTED ANSWER 👀*** receives lymph from all parts of the
body except those superior to the diaphragm on the right side; drains into thee
left subclavian vein
cisterna chyli - SELECTED ANSWER 👀*** first part of the thoracic duct
enlarged to form cistern or a temp storage pouch
movement of lymph toward heart is caused by: - SELECTED ANSWER 👀***
valves in lymphatic vessels
contraction of lymphatic vessels
skeletal muscle contraction
breathing
roughly how many lymph nodes are in the body? - SELECTED ANSWER 👀***
about 600
lymphoid tissue - SELECTED ANSWER 👀*** distributed throughout the body
and makes up specialized organs
lymph nodes - SELECTED ANSWER 👀*** small masses of lymphatic tissue
that filter the lymph
,lymph - SELECTED ANSWER 👀*** fluid that circulates in the lymphatic
system, clear fluid;
hilum - SELECTED ANSWER 👀*** indented area that is the exit point for
efferent lymphatic vessels carrying lymph out of the node
cervical nodes - SELECTED ANSWER 👀*** located in the neck in deep and
superficial groups, drain parts of head and neck
axillary nodes - SELECTED ANSWER 👀*** located in armpits
tracheobronchial nodes - SELECTED ANSWER 👀*** near the trachea and
around the larger bronchial tubes
mesenteric nodes - SELECTED ANSWER 👀*** found between the two layers
of peritoneum that form the mesentry, 100-150 nodes
Inguinal nodes - SELECTED ANSWER 👀*** located in groin region, receive
lymph drainage from lower extremities and from external reproductive organs
buboes - SELECTED ANSWER 👀*** enlarged Inguinal nodes
, the spleen - SELECTED ANSWER 👀*** cleanses blood through filtration and
phagocytosis, destroys old blood cells, produces red blood cells before birth,
serves as a reservoir for blood
splenectomy - SELECTED ANSWER 👀*** surgical removal of the the spleen
lacteals - SELECTED ANSWER 👀*** specialized lymphatic capillaries in the
lining of the small intestine that absorb fats
the thymus - SELECTED ANSWER 👀*** plays a role in early immune system
development, t cells mature, shrinks after puberty, produce thymosin
appendix - SELECTED ANSWER 👀*** fingerlike tube of lymphatic tissue that
figures into the development of immunity
Mucosal-associated lymphoid tissue (MALT) - SELECTED ANSWER 👀***
important barrier against infection; found in portions of digestive, respiratory, and
urogenital mucosal linings; helps to destroy contaminants by means of
phagocytosis and production of antibodies
gut-associated lymphoid tissue (GALT) - SELECTED ANSWER 👀*** largest
aggregations of MALT found in the digestive tract