rad tech 9 Flashcards
allergy
a hypersensitivity reaction to a normally harmless antigen, most of which is environmental
anaphylaxis
an exaggerated life threatening hypersensitivity reaction to a previously encountered antigen
antibodies
substances produced by the body in respond to bacteria, viruses, or other foreign substances
antigens
a substance usually a protein that causes the formation of an antibody and reaction specifically with that antibody
coagulation
the process of transforming a liquid into a solid,, especially of the blood
edema
the abnormal accumulation of fluid in the interstitial spaces of tissues
erythremia
an abnormal increase in the number of red blood cells
erthrocyte
a mature red blood cell
hematologist
a medical specialist in the field of hematology
hematology
the scientific study of blood and blood forming tissues
hemaglobin
a complex protein-iron compound in the blood that carries oxygen to the cells from the lungs and carbon dioxide away from the cells to the lungs
hemorrhage
a loss of a large amount of blood in a short period of time, either externally or internally
hemostasis
termination of bleeding by mechanical or chemical means or by the complex coagulation process of the body, consisting of vasoconstriction, platelet aggregation, and thrombin and fibrin synthesis
heparin
a naturally occurring anticlotting factor present in the body
leukocyte
a white blood cell
lymphedema
swelling of part of the body due to an abnormal accumulation of tissue fluid within the interstitial spaces
metastasize
to spread to distant parts of the body, as in the spread of tumor cells from one site to another
monocyte
a large mononuclear leukocyte
pica
craving to eat unusual substances
plasma
the watery, straw-colored, fluid portion of the lymph and the blood in which the leukocytes, erythrocytes and platelets are suspended
platelet
a clotting cell
staphylococci
group of bacteria that grow in grapelike cluster formation; responsible for boils, etc
streptococci
group of bacteria that grow in twisted, chainlike formation; causes strep throat
thrombin
an enzyme formed from prothrobin, calcium and plastin the plasma during the clotting process
thrombocyte
a clotting cell
thrombus
a clot
aggultin/o
to clump
bas/o
base
coagul/o
clotting
-cocci
a group of bacteria
cyt/o
cell
-emia
blood condition
erythr/o
red
-globin
containing protein
hem/o
blood
hemat/o
blood
leuk/o
white
-lytic
destruction
mono-
one
myel/o
bone marrow or spinal cord
nucle/o
nucleus
-oid
resembling
-penia
decrease in
-phoresis
transmission
-stasis
stopping or controlling
thromb/o
clot
anemia
describes a condition in which there is a decrease in hemoglobin in the blood to levels below the normal range
anemia, iron deiciency
deficiency of hemoglobin level due to a lack of iron in the body
pernicious
deficiency of mature RBC’s and the formation and circulation of megoblasts with marked poikilocytosis
leukemia
an excessive uncontrolled increase of immature WBCs in the blood eventually leading to infection, anemia, and thrombocytopenia
multiple myeloma
malignant plasma cell neoplasm, causing an increase in the number of both mature and immature plasma cells; often replace the bone marrow and destroy the skeletal structure
CBC
series of test performed on peripheral blood, which inexpressibly screens for problems in the hermlogic system as well as in several other organ systems
PT
a blood test used to evaluate the common pathway and extrinsic system of clot formation (prothrombin time)
RBC
the measurement of the circulating number of rbcs in the 1 mm of peripheral blood
WBC
measurement of the circulating number of wbcs in the 1 cm of peripheral blood
PA
pernicious anemia
acquired immunity
immunity that is a result of the body developing the ability to defend itself against a specific agent, as a result of having has the disease or from having received tan immunization
adenoids
masses of lymphatic tissue located near the opening of the nasal cavity into the pharynx also called the pharyngeal tonsils
hyper-
excessive
immun/o
immune
lymph/o
lymph
sarc/o
flesh
AIDS
acquired immunodeficiency syndrome; involves clinical conditions that destroy the bodys immune system in the last or final phase of HIV
lymphoma
a lymphoid tissue neoplasm that is typically malignant, beginning with a painless enlarged lymph node and progressing to anemia, weakness, fever and weight loss
sarcoidosis
a systemic inflammatory disease resulting in the formation of multiple small, rounded lesions in the lungs, lymph nodes, eyes, liver and other organs
CDC
centers of disease control and prevention
Histo
histology
HIV
human immunodeficiency virus
