chap9.2 Flashcards
Erythrocyte
Red blood cells, tiny biconcave shaped discs that are thinner in the center than around the edges
Platlet
also known as Thrombocytes, clotting cell
Fibrin
stringy, insoluble protein that is the substance of a blood clot
Lymphatic capillaries
are the smallest lymphatic vessels
Lymph
interstitial fluid picked up by the lymphatic capillaries and eventually returned to the blood
Hemostasis
stopping or controlling bleeding by mechanical or chemical means
Pancytopenia
deficiency in number of all blood cells
Thrombocyte
responsible for the clotting of blood
Lymphadenopathy
any disease of the lymph glands
Immunology
the study of being immune, or protected
Hyper
excessive
mono
one
aggultin
to clump
aniso
unequal
eosin
red, rosy
Hemolytic anemia
extreme reduction in circulating red blood cells due to their destruction
Pernicious anemia
deficiency of mature RBCs with shape variation and size, due to lack of vitamin B12
Polycythemia Vera
increase in blood volume and viscosity
Lymphoma
typically malignant lymph tissue tumor
Kaposi’s Sarcoma
locally destructive malignant neoplasm of blood vessels associated with AIDS
Lymphangiogram
x-ray assessment of lymphatic system with contrast into lymph vessels in hand or foot
Western blot
lab test detects presence of antibodies to HIV, confirms ELISA test
Red blood cell count
assessment of red blood cell percentage in the total blood volume
Schilling test
diagnostic analysis for pernicious anemia
Hbg.
hemoglobin
Ab.
antibody
PT
prothrombin time
ARC
AIDS- related complex
CDC
centers for disease control and prevention
Allergen
substance that can produce a hypersensitive reaction in the body
Anisocytosis
condition of the blood where red blood cells are of variable abnormal size
Erythroblast
immature red blood cell
Hematology
scientific study of blood and blood-forming tissues
Leukocytopenia
abnormal decrease in number of WBCs to fewer than 5,000 per cubic millimeter
Splenomegaly
abnormal enlargement of the spleen
Purpura
collection of blood beneath the skin in the form of pinpoint hemorrhages
Acquired Immunity
a result of the body developing the ability to defend itself against a specific agent
Natural Immunity
Immunity that we are born with, or genetic immunity
Immunity
the body’s ability to counteract the effects of pathogens and other harmful agents
Tonsils
mass of lymphatic tissue located in a protective ring, just under the mucous membrane in the mouth and back of throat
Susceptible
person in a state of having a lack of resistance to pathogens and other harmful agents
Pathogens
disease-producing microorganisms
T Cells
cells important to the immune response that mature in the thymus
Anaphylactic Shock
a severe and sometimes fatal hypersensitive (allergic) reaction to a previously encountered antigen
Mononucleosis
usually caused by the Epstein-Bar Virus
Pneumocystis Carinii Pneumonia
caused by a common world wide parasite, occurs in people with AIDS
Hct.
Hematocrit
PTT
Partial thromboplastin time
RBC
red blood cell ( erythrocyte)
WBC
White blood cell (Leukocyte)
AIDS
acquired immunodeficiency syndrome
ELISA
enzyme-linked immunosorbent assay
HIV
human immunodeficiency virus