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85 Cards in this Set
- Front
- Back
Neutrophils are a major component of |
Pus |
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Neutrophils primary function |
Phagocytosis is the primary function |
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increased numbers of neutrophils indicate? |
infection or inflammation |
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Which WBC is the first responder? |
Neutrophil |
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Neutrophil |
Which WBC has a irregular and elongated nucleus?
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What does a normal neutrophil look like? |
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What does a heterophil look like? |
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What is a heterophil? |
similar to neutrophils but are found in birds reptiles and some fish |
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what does a toxic neutrophil look like? |
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what does a band neutrophil look like? |
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Band neutrophils indicate what? |
left shift |
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what is left shift |
the increase of immature WBC into the blood |
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Main function of eosinophil |
modulation of immune system |
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phagocytosis |
eosinophils are capable of ...? |
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when would you see increased numbers of eosinophils in a patient? |
allergies and parasitic infections or infestations |
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what do eosinophils look like? |
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what WBC is more numerous in horses and cattle than cats and dogs? |
basophils |
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function of basophils |
mediation of immune system |
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when would you expect to see increased numbers of basophils? |
during inflammation, fungal or infectious conditions |
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What does a basophil look like? |
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What is the most abundant WBC in ruminants? |
lymphocytes |
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what is the function of lymphocytes? |
production of antibodies |
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what do increased numbers of lymphocytes mean? |
viral infection |
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What do lymphocytes look like? |
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What is the largest WBC? |
Monocyte |
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What is the major function of monocytes? |
phagocytosis |
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What do increased numbers of monocytes indicate? |
chronic infection |
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what does a monocyte look like? |
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what is a megathrombocyte? |
large platelet |
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What do megathrombocytes suggest? |
early release of platelets from bone marrow |
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What might affect RBC counts on an automated analyzer? |
megathrombocyte
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slight |
10% |
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moderate |
25% |
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marked |
50% |
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megathrombocytes look like?
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Nuclear hypersegmentation is common in poodle with? |
Macrocytosis |
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what is macrocytosis? |
large cells |
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What does macrocytosis look like? |
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hypersegmentation can be caused by? |
aging neutrophils either in vivo or in vitro (prolonged storage) |
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what does hypersegmentation look like |
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Toxic change in neutrophils is caused by? |
inflammation, infection, and drug toxicity |
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cats have a special exception in toxic neutrophils |
can be commonly seen in cats that are not severely ill |
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what do Dohle bodies look like? |
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what do atypical lymphocytes look like? |
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reactive lymphocytes aka |
immunocytes |
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what causes reactive lymphocytes? |
antigenic stimulation |
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smudge cells aka |
basket cells |
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reactive lymphocytes and the same as |
atypical lymphocytes |
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what are smudge cells? |
the break down of WBC |
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what do smudge cells look like |
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Rouleaux formation is? |
the stacking of erythrocytes |
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rouleaux is normal is? |
horses-can also be in cats and pigs |
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what can cause rouleaux formation? |
artifact of prolonged storage |
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what does rouleaux formation look like? |
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Anisocytosis is what? |
variation in RBC size |
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what does Anisocytosis look like?
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Polychromasia is what? |
RBCs have a bluish tint |
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Polychromasia happens in _______ RBC
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young |
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Polychromasia looks like what?
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Hypochromasia is what? |
RBCs with decreased color |
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What can causehypochromasia? |
insufficient hemoglobin, very pale central region, and iron efficiency |
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what does hypochromasia look like? |
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Hyperchromatophilic are what? |
darkly stained RBC |
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Hyperchromatophilic gives the appearance of what?
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gives the appearance of too much hemoglobin, but a cell has a fixed capacity for hemoglobin so over-saturation cannot occur |
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Hyperchromatophilic looks like what?
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Ghost cells are seen in |
IMHA |
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Ghost cells are due to? |
the rupture of the cell membrane causing the hemoglobin to leak out |
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Ghost cells look like what? |
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Poikolocytes= |
abnormal shape |
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what do poikolocytes look like? |
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Schistocytes are what? |
RBC fragments |
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Schistocytes are made how?
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trauma due to intravascular shearing |
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what do Acanthocytes look like? |
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what do Echinocytes look like? |
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Helmet cells can mean? |
neoplasia, hepatic disease, glomerulonephritis |
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helmet cells look like what? |
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Basophilic stippling looks like? |
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Basophilic stippling can mean what?
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lead poisoning,residual DNA, cats responding to anemia |
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howell-jolly bodies look like what? |
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howell-jolly bodies are removed when?
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passed through spleen |
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howell-jolly bodies are what?
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basophilic nuclear remnants in young RBCs responding to anemia |
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increased numbers of howell-jolly bodies indicate? |
splenic disorders |
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heinz bodies are caused by |
toxins (garlic, onions), drugs (acetaminophen), inherited disorders |
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increased amounts of heinz bodies can indicate? |
lymphosarcoma, hyperthyroidism, diabetes mellitus |
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what do heinz bodies look like? |
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