Post on 05-Jan-2016
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Anatomy & Neurobiology
ANA 812Lab Session 11
Peripheral Blood
Bryan GuilloryLashaundra ThedfordPhilip OverallJohn Watson
Anatomy & Neurobiology
Slide #42: Human Blood (Wright-Giemsa)
Normal Blood (100X)
Anatomy & Neurobiology
Slide #42: Human Blood (Wright-Giemsa)
Platelets (Thrombocytes) (1000x)
Platelets
● Small (2-4 μm)● Granular
Anatomy & Neurobiology
Slide #42: Human Blood (Wright-Giemsa)
Erythrocytes (RBC’s)Normal Blood (400X)
Erythrocytes
-Biconcave Discs
-Central Pallor
Anatomy & Neurobiology
Slide #42: Human Blood (Wright-Giemsa)
Normal Blood Erythrocytes (1000X)
•Biconcave Discs
•Central Pallor
•7-8 um in diameter
Anatomy & Neurobiology
Slide #43: Abnormal Human Blood (Wright-Giemsa)
Anemic Blood (100X)
•Smaller RBC’s
•Larger Central Pallors
•Variable Size and Shape
Anatomy & Neurobiology
Slide #43: Abnormal Human Blood (Wright-Giemsa)
Anemic Blood (400X)
•Smaller RBC’s
•Larger Central Pallors
•Variable Size and Shape
Anatomy & Neurobiology
Slide #43: Abnormal Human Blood (Wright-Giemsa)
Anemic Blood (1000X)
• Various Sized RBC’s
•Larger Central Pallor
•Variable Size and Shape
Anatomy & Neurobiology
Slide #42: Human Blood (Wright-Giemsa)Granulocytes: Neutrophils (400X)
•Neutrophils
•Granular Appearance
Anatomy & Neurobiology
Slide #42: Human Blood (Wright-Giemsa)Banded Neutrophils (400X)
•“Stab Forms”
•Nucleus Elongated
•Less Prominent than Segmented Forms
Anatomy & Neurobiology
Slide #43: Abnormal Human Blood (Wright-Giemsa)
Anemic Blood (1000X)Segmented Neutrophil
•PMNs
•Lobed Nucleus w/a Fine Filament Between
•Most common Neutrophil
Anatomy & Neurobiology
Slide #42: Human Blood (Wright-Giemsa)
Agranulocytes: Lymphocytes (1000x)
Lymphocyte
● Round Nucleus● Cytoplasm (blue halo)
Anatomy & Neurobiology
Slide #42: Human Blood (Wright-Giemsa)
Agranulocytes: Monocytes (1000x)
Monocyte
● Horseshoe, various shaped nucleus
● Large (14-20 μm)
Anatomy & Neurobiology
Slide #42: Human Blood (Wright-Giemsa)
Granulocytes: Eosinophil (1000x)
Eosinophil
Bi-lobed nucleus
Granules
Anatomy & Neurobiology
Electron MicrographGranulocytes: Eosinophil
Lysosomal crystals
Granule
Nucleus
Anatomy & Neurobiology
Slide #42: Human Blood (Wright-Giemsa)
Granulocytes: Basophil (1000x)
Basophil
● “baso” because of blue-black granules when stained
● large granules that overlie nucleus (histamine)
● nucleus has smudged, indistinct chromatin pattern
Anatomy & Neurobiology
Slide #41: Peripheral Blood Film – Human (Wright-Giemsa)
400x
•Monocyte