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Medical Terminology Ch. 9
Medical Terminology Systems Ch. 9 (Gylys & Wedding)
117
Medical
Undergraduate 1
10/25/2009

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Term
anaphylaxis
Definition
life-threatening reaction to previously encountered antigen
Term
antibody
Definition
protective protein from B-cell in response to antigen
Term
antigen
Definition
marker on foreign cell which stimulates antibody formation
Term
cellular immunity
Definition
acquired specific resistance involving T-cells' intra-cellular activity
Term
host
Definition
organism on which parasite is nourished and harbored
Term
humoral immunity
Definition
acquired specific resistance involving B-cells' extra cellular activity
Term
immunocompetent
Definition
able to develop an immune response
Term
immunopathology
Definition
study of diseases of the immune system
Term
opportunistic infection
Definition
infection in immuno-compromised pt, would not be problematic in healthy pt
Term
palliative treatment
Definition
treatment that provides relief, but not a cure
Term
serum
Definition
blood plasma w/o clotting factors
Term
neutrophils
Definition
phagocytic leukocytes, most numerous WBC, first to site of injury
Term
eosinophils
Definition
leukocytes which release substances capable of neutralizing toxic compounds, allergies & parasitic defense
Term
basophils
Definition
leukocytes which release histamine & heparin, initiate inflammation & anti-coagulants, become mast cells in tissue
Term
monocytes
Definition
highly phagocytic leukocytes which become macrophages in tissue
Term
B-cells
Definition
lymphocytes from bone marrow, humoral immunity, produce plasma cells which produce antibodies, also produce memory cells
Term
T-cells
Definition
lymphocytes from thymus, cellular immunity & anti-cancer, (cytotoxic, helper, suppressor & memory)
Term
natural killer cell
Definition
lymphocyte from bone marrow, independent of specific immunity, attacks abnormal cells, capable of repeated killings, anti-cancer
Term
aden/o
Definition
gland [adenoid], -oid = resembling
Term
agglutin/o
Definition
clumping, gluing [agglutination]
Term
bas/o
Definition
base, alkaline [basophil], -phil = attraction for
Term
blast/o
Definition
embryonic cell [erythroblastosis]
Term
chrom/o
Definition
color [hypochromic]
Term
eosin/o
Definition
rose-colored [eosinophil] phil = attraction for
Term
erythr/o
Definition
red [erythrocyte]
Term
granul/o
Definition
granule [granulocyte]
Term
hem/o
Definition
blood [hemophobia]
Term
hemat/o
Definition
blood [hematoma]
Term
immun/o
Definition
immune [immunology]
Term
kary/o
Definition
nucleus [karyolysis]
Term
nucle/o
Definition
nucleus [mononuclear]
Term
leuk/o
Definition
white [leukemia]
Term
lymphaden/o
Definition
lymph gland or node [lymphadenopathy]
Term
lymph/o
Definition
lymph [lymphoid], -oid = resembling
Term
lymphangi/o
Definition
lymph vessel [lymphangioma]
Term
morph/o
Definition
form [morphology]
Term
myel/o
Definition
bone marrow, spinal cord [myelogenic]
Term
neutr/o
Definition
neutral [neutrophilic] -phil = attraction for
Term
white blood cell
Definition
leukocyte, named for affinity to particular dye
Term
leukocyte
Definition
white blood cell, , named for affinity to particular dye
Term
phag/o
Definition
swallowing [cell that engulfs & digests microorganisms & cellular debris
Term
plas/o
Definition
formation, growth [aplastic]
Term
poikil/o
Definition
varied, irregular [poikilocytosis, irregular RBCs ]
Term
reticul/o
Definition
net, mesh [reticulocyte]
Term
sider/o
Definition
iron [sideropenia]
Term
ser/o
Definition
serum [serology]
Term
splen/o
Definition
spleen [splenorrhagia]
Term
thromb/o
Definition
blood clot [thrombocytosis]
Term
thym/o
Definition
thymus gland [thymopathy]
Term
xen/o
Definition
foreign, strange [xenograft]
Term
-blast
Definition
embryonic cell [erythroblast]
Term
-emia
Definition
blood condition [anemia]
Term
-globin
Definition
protein [hemoglobin]
Term
-graft
Definition
transplantation [autograft]
Term
-osis
Definition
abnormal condition, usually of blood [leukosytosis]
Term
-penia
Definition
decrease, deficiency [erythropenia]
Term
-phil
Definition
attraction for [neutrophil]
Term
-phoresis
Definition
carrying, transmission [electrophoresis]
Term
-phylaxis
Definition
protection [anaphylaxis], ana = against
Term
-poiesis
Definition
formation, production [hemopoiesis]
Term
-stasis
Definition
standing still [hemostasis]
Term
a-
Definition
without, not [amorphic]
Term
allo-
Definition
other, differing from normal [allograft]
Term
aniso-
Definition
unequal [anisocytosis, variable RBC size ]
Term
iso-
Definition
same, equal [isochromic]
Term
macro-
Definition
large [macrocyte]
Term
micro-
Definition
small [microcyte]
Term
mono-
Definition
one [mononucleosis]
Term
poly-
Definition
many [polymorphic]
Term
aplastic anemia
Definition
diminished WBC & platelets, due to exposure to radiation, hepatitis or cytotoxic agent
Term
folic-acid deficiency anemia
Definition
anemia caused by poor diet, more leafy greens, liver & yeast
Term
hemolytic anemia
Definition
premature destruction of RBC, usually w/jaundice, sickle cell anemia
Term
hemorrhagic anemia
Definition
caused by loss of blood volume
Term
iron-deficiency anemia
Definition
caused by inadequate dietary intake of iron or malabsorption of iron
Term
pernicious anemia
Definition
lack of intrinsic factor (promotes B12 absorption)
Term
sickle cell anemia
Definition
genetic disorder w/crescent-shaped RBC
Term
anisocytosis
Definition
marked variation in size of RBC
Term
ascites
Definition
serous fluid in peritoneal or pleural cavity, cirrhosis of liver or heart failure
Term
bacteremia
Definition
presence of bacteria circulating in bloodstream, immune reaction is sepsis
Term
graft rejection
Definition
recipient's immune system destroys transplanted organ or tissue
Term
graft vs. host reaction (GVHR)
Definition
transplanted bone marrow produces antibodies against host tissue
Term
hematoma
Definition
localized accumulation of blood in organ or tissue after vascular break
Term
hemoglobinopathy
Definition
disorder w/abnormality in hemoglobin (sickle cell)
Term
hemolysis
Definition
destruction of RBCs with release of hemoglobin into surrounding fluid
Term
hemostasis
Definition
arrested bleeding or circulation
Term
active immunity
Definition
immunity w/memory, acquired naturally or result of vaccination or immunizing injection
Term
passive immunity
Definition
immunity w/o memory, naturally (infant via breast milk), artificially (antibodies from horses or sheep injected or transfused)
Term
lymphadenopathy
Definition
disease of lymph nodes
Term
lymphosarcoma
Definition
malignant, neoplastic disorder of lymphatic tissue
Term
septicemia
Definition
systemic disease involving microorganisms & toxins in blood, blood infection, term confusing and out of favor
Term
serology
Definition
blood test for antibodies, antigens or immune substances
Term
titer
Definition
blood test to measure antibodies in blood
Term
activated partial thromboplastin time (APTT)
Definition
test screening for clotting factors, pre-op use
Term
blood culture
Definition
test for pathogens in bloodstream
Term
differential count
Definition
test re distribution of WBCs
Term
erythrocyte sedimentation rate (ESR)
Definition
test to measure distance RBCs settle in 1 hr.
Term
hemoglobin (Hgb, Hb)
Definition
amount of Hgb in whole blood sample
Term
hematocrit (crit)
Definition
percentage of packed RBCs in whole blood sample
Term
monospot
Definition
serological test for antibody present in mononucleosis
Term
prothrombin time (PT)
Definition
test to evaluate coagulation system, INR is percentage of this (1-2 normal, don't mob. if x > 3)
Term
RBC indices
Definition
mathematical calculation of Hgb for average RBC
Term
Schilling test
Definition
test for absorption of B12 re pernicious anemia
Term
lymphadenography
Definition
X-ray of lymph nodes after injection of contract medium in lymph nodes
Term
lymphangiography
Definition
X-ray of lymph nodes after injection of contract medium in lymph vessels
Term
aspiration
Definition
procedure withdrawing bone marrow fluid for diagnostic purposes
Term
biopsy
Definition
tissue sample examined for diagnostic purposes (bone marrow & sentinel node)
Term
lymphangiectomy
Definition
removal of a lymph vessel
Term
autologous transfusion
Definition
injection blood components into bloodstream from recipient's own blood
Term
homologous
Definition
injection of blood components into bloodstream from a compatible donor
Term
autologous bone marrow transplant
Definition
grafting of living bone marrow from frozen store of recipient's own marrow
Term
homologous bone marrow transplant
Definition
grafting of living bone marrow from a compatible donor
Term
antineoplastics
Definition
drug to kill rapidly metabolizing cells
Term
antibiotics, antiprotozoals, sulfa drugs
Definition
drugs to treat Pneumocystis carinii pneumonia (PCP)
Term
antivirals
Definition
drugs to prevent replication of viruses within host cells (HIV)
Term
fat-soluble vitamins
Definition
used to prevent & treat bleeding disorders, vitamin K promotes creation of prothrombin
Term
hemostatics
Definition
drugs to prevent or control bleeding
Term
thrombolytics
Definition
drugs used to destroy the fibrin strands which make up the clot
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