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CBC Terms Hematology
TIM test
34
Health Care
Graduate
09/29/2007

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Cards

Term
Peripheral Smear
Definition
Stained blood smear on a slide
Term
RBC CELLS
Anisocytosis
Definition
Excess variation in size
Term
RBC
Poikilocytosis
Definition
Excessive variation in shape
Term
RBC
Microcytosis/Macrocytosis
Definition
Small Cells/Large cells
Term
RBC
Hypochromasia
Definition
Pale cells. Cell with decreased hb content
Term
RBC
Polychromasia
Definition
Variation in cell staining characteristics
Term
RBC
Spherocytosis
Definition
Globular bloods cells without the usual central pallor
Term
RBC
Target cells
Definition
Thin red cells which looks like a target
Term
RBC
Tear Drops
Definition
Cells which is tear-shaped
Term
RBC
Nucleated RBC's
Definition
Very young RBC's which still contain a nucleus. Usually seen only in the bone marrow
Term
RBC
Reticulocytes
Definition
Young RBC's found in the peripheal blood and seen on smear. Indicator of increased RBC production
Term
RBC
Howell-Jolly Bodies
Definition
Small round or oval structures seen in red cells in post-spenectomy states
Term
RBC Indices
MCV
Definition
Mean cell volume (size) micro/normo/macro
Term
RBC indices
MCH
Definition
Mean cell hemoglobin
Term
RBC indices
MCHC
Definition
Mean cell hemoglobin concentration (chromasia) hypo-/normocytic
Term
platelets
Estimate
Definition
Estimation of quantity of platelets seen on smear
Term
Platelets
Count
Definition
Actual number seen on smear
Term
Platelets
Morphology
Definition
Description of platelet (eg. large, giant, bizarre)
Term
Platelets
Megakaryocyte
Definition
Platelet precursor in marrow. Not usually seen on peripheral smear
Term
WBC
Total WBC
Definition
Total number of WBC on smear
Term
Differential
Definition
Percent of different types of WBC's seen on smear
WBC
Term
Segmented Neutrophils
Definition
WBC
Also know as granulocytes or polys. when increased in number is associated with bacterial infections.
Term
Bands
Definition
WBC
Young neutrophils. also associated with bacterial infections
Term
Hypersegmented Polys
Definition
WBC
Seen in megaloblastic syndromes
Term
Lymphocytes
Definition
WBC
When increased in number, associated with viral infection
Term
Monocytes
Definition
WBC
When increased in number associated with inflammation or malignancy
Term
Eosinophils
Definition
WBC
When increased in number, associated with allergy or parasitic infections
Term
Myelocytes
Metamyelocytes
Promyelocytes
Definition
WBC
Occassionally seen on smear from a bone marrow reflecting accelerated bone marrow activity
Term
Blasts
Definition
WBC
Appearance on a smear suggestive of leukemia
Term
Toxic Granulation
Definition
WBC
Possible Current infection
Term
Atypical Lymphs
Definition
WBC
Possible current infection or possible leukemia
Term
Absolute Neutrophil Count
Definition
WBC
Percect of segmented neutrophils plus bands multiplied by the total WBC count
Term
WBC "Shift"
Definition
Significant increase in segmented neutrophils and bands. Suggestive of infection
Term
Pancytopenia
Definition
Decrease in all the cell series (WBC, RBC, and Platelets)
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