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chapter 14

blood

TermDefinition
"formed elements" RBCs, WBCs, and platelets
characteristic of blood transports vital substances, distribute heat and regulates homeostasis
percentage of plasma in blood 55%
percentage of RBCs in blood 45%
hematopoiesis formation of blood cells
lymphoid stem cells give rise to lymphocytes
another name for red blood cells erythrocytes
shape of RBCs biconcave disc shape
RBC formation in red bone arrow erythropoiesis
low blood oxygen causes the the kidneys to release what hormone? erythropoietin
how long do RBCs live 120 days
what is required for DNA synthesis vitamin B12 and folic acid
damaged red blood cells are removed by what? spleen or liver
another name for white blood cells leukocytes
types of granulocytes neutrophils, eosinophils, and basophils
types of agranulocytes lymphocytes and monocytes
diapedesis WBCs squeezing through capillary walls
Chemotaxis attraction of WBCs to an infection site
neutrophils purple, 2-5 lobes nucleus, and first to arrive at infection site
phagocytes neutrophils and monocytes
eosinophils deep red stain, bi-lobed, moderate allergic reactions, and defend against parasitic worm infestations
basophils deep blue, releases histamine and heparin
monocytes largest WBCs and kidney-shaped
lymphocytes large spherical nucleus, T and B cells are important for immunity
Leukocytosis high WBC count
another name for thrombocytes platelets
thrombocytopenia platelet count below normal
hemostasis stoppage of bleeding
embolus a moving blood clot through blood vessels
Infarction death of tissues which have blocked blood vessels
embolism blood clot that travels and then blocks a blood vessel in an organ
atherosclerosis accumulation of fat in arterial linings
antibody of blood type B anti-A
antigen of O neither A or B, only O
universal recipient type AB
Created by: JASROB
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