Identification of Blood Cells Flashcards

1
Q

pink/orange grainy cytoplasm with indistinct granules; dense clumped chromatin within a segmented nucleus

A

Neutrophil

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2
Q

distinct and uniform red granules, bi-lobed nucleus (usually)

A

Eosinophil

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3
Q

small mononuclear cells with scant blue cytoplasm and round nuclei with dense, sometimes clumpy chromatin

A

Lymphocyte

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4
Q

larger than most lymphocytes, grey-blue cytoplasm, may have granules or vacuoles, bean shaped irregular nucleus

A

Monocyte

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5
Q

increased blue cytoplasm, polygonal nuclei, enhancing blue edging and azurophilic (pink/purple) granules

A

Large Granular Lymphocyte (T and NK cells)

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6
Q

large cell with correspondingly large, multi- lobular nuclei (caused by endomitosis)

A

Megakaryocyte

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7
Q

increased blue cytoplasm, larger polygonal nuclei may have nucleoli, tend to mold around RBC with enhanced blue edge (“skirting”)

A

Reactive Lymphocyte (atypical lymphocytes)

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8
Q

moderately sized cell that saints blue on Wright stain due to residual RNA, anucleate

A

Reticulocyte, Young RBC

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9
Q

slightly larger than a blast, with more cytoplasm and distinctive reddish granules that are often distributed to one side of the cell, nucleus has immature appearance often with a perinuclear clear zone representing the Golgi apparatus

A

Young Immature myeloid cell (promyelocyte- transitioning to metamyelocytes and bands)

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10
Q

biconcave disc with central pallor (normally <⅓ cell diameter), normal size comparable to nucleus of WBC, anucleate

A

Erythrocyte (RBC)

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11
Q

eccentric round nuclei in significant purple/blue cytoplasm

A

Plasma Cell

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12
Q

almost perfectly circular nucleus that has very blue and white (patchy or salami-like) distribution in a dark blue staining cytoplasm

A

Immature erythroid cell/ Nucleated RBC

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13
Q

irregular, chunky purple granules that obscure a bi- or tri-lobed nucleus

A

Basophil

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14
Q

size and N:C ratio is declining, has a round/oval nucleus and granules are less distinct and more orange/pink as nucleus begins to elongate

A

Young Immature myeloid cell (meyelocyte)

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15
Q

How do you distinguish a monocyte from a large granular lymphocyte?

A

monocytes don’t have granules but you often see vacuoles with large granular lymphocytes you can usually count the number of granules in them

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