Lymphatic System Red Stuff Flashcards
(31 cards)
Lymphatic System Functions
Fluid Balance, Fat Absorption, Defense
water plus solutes from plasma and cells
lymph
4 steps of movement through lymphatic vessels
contraction of lymphatic vessels, skeletal muscle contraction, one-way valves, thoracic pressure changes
the only place to filter lymph
lymph nodes
drains the right side of the body
right lymphatic duct
drains the entire body except the right head, upper limb, and right thorax
thoracic duct
the primary lymphatic organs where lymphocytes become immunocompetent is
red bone marrow and thymus
the secondary locations where lymphocytes interact
organs/tissues
B and T cells are found here
lymphocytes
differentiated monocytes that phagocytize damaged cells
macrophage
antigen presenting cells
dendritic cells
3 groups of tonsils
palatine, pharyngeal, lingual
the section of a lymph node where substances removed by phagocytosis or stimulate lymphocytes to proliferate in
germinal centers
functions of the spleen
destroy defective RBC’s, detect and respond to foreign substances, limited reservoir for blood
main things to know about the thymus
Decreases in size after 60 years (atrophy), maturation of T cells
the spleen filters _____ and is where lymphocytes respond to _______
blood, infections
what are the two categories of immunity?
innate, adaptive
this immune response produces the same response every time
innate
what are the methods within the innate response?
physical barriers, chemical mediators, cells
this immune response can be changes based on the specific pathogens
adaptive
what are the methods of the adaptive response?
specificity, memory
what are the chemical mediators within innate immunity?
cell surface mediators, inflammatory mediators, cytokines
cell surface mediators include:
lysozymes, mucus, sebum
inflammatory mediators include:
histamine, complement, eicosanoids