Chapter 10 Vocab Flashcards
the fluid portion of the blood
plasma
the percentage of erythrocytes to total blood volume
hematocrit
a protein found in virtually all animals; the most abundant plasma protein
albumin
red blood cells
erythrocytes
the oxygen transporting pigment of erythrocytes
hemoglobin (HB)
the oxygen carrying capacity of the blood caused by a decrease number of erythrocytes or decreased percentage of hemoglobin
anemia
body does not form normal hemoglobin, instead abnormal hemoglobin; spiky and sharp
sickle cell anemia
presence of an abnormally large number of erythrocytes in the blood
polycythemia
white blood cells
leukocytes
the passage of blood cells through intact vessel walls into the tissues
diapedesis
a cancerous condition in which there is an excessive production of immature leukocytes
leukemia
granule-containing WBC’s. Have labeled nuclei
granulocytes
the most abundant of the white blood cells
neutrophils
granular white blood cells whose granules readily take up a stain called eosin
eosinophils
white blood cells whose granules stain deep blue with basic dye; have a relatively pale nucleus and granular-appearing cytoplasm
basophils
a substance that causes vasodilation and increased vascular permeability
histamine
agranular white blood cells formed in the bone marrow that mature in the lymphoid tissue
lymphocytes
large single-nucleus white blood cells, agranular leukocyte
monocytes
large, multi-nucleate cells that fragment to produce platelets
megakaryocytes
formation of blood cells
hematopoiesis
the stoppage of bleeding
hemostasis
a fixed clot that develops and persists in an unbroken blood vessel
thrombus
a free-floating clot in an unbroken blood vessel
embolus
insufficient number of circulating platelets; even normal movements cause spontaneous bleeding from small blood vessels
thrombocytopenia
rash like spots on the skin that indicate widespread bleeding
petechiae
applies to several different hereditary bleeding disorders that result from a lack of any of the factors needed for clotting
hemophilia
any substance including toxins, foreign proteins, or bacteria that, when introduced to the body, is recognized as foreign and activates the immune system
antigen
a specialized substance produced by the body that can provide immunity against a specific antigen
antibodies
based on which of two antigens, type A or type B, a person inheritance. Absence of both results in type O, presence of both leads to type AB
ABO blood groups
whether their RBC’s carry Rh antigen
Rh blood groups
