32 terms

Lymphatic system

lymphatic system
supplement to circulatory system
lymph fluid
intermediary between blood in capillaries and tissues
lymph vessels
transport excess tissue fluid back into circulatory system
lymph nodes
produce lymphocytes and filter out bacteria
thymus gland
produces T-lymphocytes needed for the immune system
produces lymphocytes and monocytes
skeletal muscle
pushes lymph through vessels
thoracic duct
receives lymph from the left side
swelling in the lymph glands
nodes in the neck and head
nodes along the collar bone
nodes in the upper body behind the sternum
nodes in the groin
nodes in the legs
hodgkin's disease
cancer of the lymph nodes
infectious mononucleosis
caused by the Epstein-Barr virus
Epstein-Barr virus
form of herpes
Body's ability to resist invaders and the disease they cause
unbroken skin
first line of defense
natural immunity
immunity we are born with
acquired immunity
the body tries to kill an invader by creating specific substances to combat it to make itself permanantly resistant
passive acquired immunity
used upon exposure to a rapid, destructive and severe disease
active acquired immunity
antibodies remain in the body to protect from further infection
natural active immunity
having had and recovered from the disease
artificial active acquired immunity
injection of vaccine
humoral immunity
b cells change to plasma cell
t cells
will multiply rapidly to overpower and kill antigen
killer t cells
act directly on antigens to destroy them
helper t cells
stimulate breakdown of antibodies by b cells and stimulate t cells
suppressor t cells
stop the immune response when an antigen has been destroyed
immune system mistakenly targets it's own normal cells, tissues and organs
when antibodies that are formed irritate certain body cells