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Lecture 28
Blood I
33
Anatomy
Undergraduate 2
10/31/2010

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Term
blood functions
Definition
-transport
-protection
-regulation
Term
protection
Definition
WBCs and clotting
Term
regulation
Definition
-body temp (water it contains provides means for dissipation of heat)
-volume of body water
-pH
Term
composition of blood
Definition
-55% plasma
-45% cellular components
Term
plasma
Definition
-90% water
-plasma proteins
-ions
-compounds
Term
plasma proteins
Definition
-albumin
-fibrinogen
-globulin
Term
albumin
Definition
-many functions including transport and BP regulation
-very large, affects osmotic pressure
Term
fibrinogen
Definition
-necessary for clotting
Term
globulin
Definition
-transport of lipids
-antibody formation
Term
ions
Definition
K, Na, Cl
Term
compounds
Definition
glucose, urea
Term
cellular elements
Definition
-erythrocytes
-leukocytes
-thrombocytes (platelets)
Term
erythrocyte
Definition
-biconcave shape
-no nucleus
-stains reddish pink
Term
erythrocyte function
Definition
uses hemoglobin for oxygen transport
Term
neutrophil (PMN, Seg)
Definition
-segmented nucleus
-polymorphonucleated
-granules that contain enzymes
Term
neutrophil function
Definition
-phagocytosis of bacteria/debris
Term
eosinophil
Definition
-bilobed nucleus
-large pink granules
Term
eosinophil function
Definition
-fights parasitic infections and allergies
Term
basophil
Definition
-lobed nucleus
-dark granules
Term
basophil function
Definition
-contain histamine
-affects vascular permeability
-increase in number in some leukemias
Term
monocyte
Definition
-largest, variably shaped nucleus
-blue cytoplasm
Term
monocyte function
Definition
-phagocytosis
-moves into tissues and becomes macrophage
Term
lymphocyte
Definition
-non-granulocyte
-blue cytoplasm
-T and B cells
Term
lymphocyte function
Definition
-immune defense
-fight viral infection
Term
thrombocyte
Definition
-small, granular fragments
-portion of cytoplasm of a megakaryocyte in bone marrow
Term
granulocytes
Definition
-neutrophil
-eosinophil
-basophil
Term
hemopoiesis
Definition
-blood cell production
Term
location of fetal hemopoiesis
Definition
-yolk sac, liver, spleen, thymus, lymph nodes, bone marrow
Term
location of adult hemopoiesis
Definition
-red bone marrow-sternum, ribs, vertebrae, pelvis, head of humerus/femur, spleen, tonsils, lymph nodes
Term
at birth all bone marrow is
Definition
red
Term
adults have this much red bone marrow
Definition
half
Term
adults have this much red bone marrow
Definition
half
Term
erythropoietin
Definition
-hormone produced in kidney
-influences rate of production of new blood cells
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