New Zealand White rabbit
Chapter 7 New Zealand White rabbit Alys E. Bradley Introduction Rabbits are classified in the order Lagomorpha. They differ from rodents in that they possess an additional pair of incisor…
Beagle dog
Chapter 3 Beagle dog Cheryl Scudamore Introduction The majority of dogs used in toxicity studies are young beagles (generally less than one year old at the start of study), and…
Artifacts in histopathology
Chapter 8 Artifacts in histopathology Elizabeth F. McInnes Introduction What one may see upon microscopic examination of sections of animal tissues is not always related to the normal histology or…
2: Red Blood Cells
Section 2 Red Blood Cells Normal Morphology (Discocytes and Normocytes) Anemia Polycythemia Morphologic Changes Associated with Disease Rouleaux Agglutination Polychromasia Reticulocytes Hypochromia Anisocytosis Macrocytosis Microcytosis Poikilocytosis Leptocytes: Target Cells (Codocytes)…
3: White Blood Cells
Section 3 White Blood Cells Normal Leukocyte Count Leukocytosis Leukopenia Neutrophils Mature (Segmented) Neutrophils Band Neutrophils Metamyelocytes Myelocytes Promyelocytes Myeloblasts Barr Body Hypersegmented Neutrophils Pelger-Huët and Pseudo-Pelger-Huët Neutrophils Toxic Changes…
5: Hematopoietic Neoplasia
Section 5: Hematopoietic Neoplasia Overview Lymphoid Leukemia Acute Lymphoblastic Leukemia Chronic Lymphocytic Leukemia T-Cell Large Granular Lymphocytic Leukemia Acute Myeloid Leukemia Acute Undifferentiated Leukemia Acute Myeloblastic Leukemia Acute Promyelocytic Leukemia…
1: General Assessment
Section 1 General Assessment Blood Smears Monolayer Feathered Edge Body Background Increased Basophilia Cytoplasmic Fragments Infectious Agents Stain Precipitation Fibrin Skin Contaminants Blood Smears Distinctive Features: Blood smears have three…
4: Platelets
Section 4: Platelets Normal Morphology Thrombocytopenia Thrombocytosis Platelet Clumps Activated Platelets Macroplatelets (Megaplatelets) Megakaryocytes Parasites Anaplasma platys (formerly Erhlichia platys) Normal Morphology Distinctive Features: Platelets are cytoplasmic fragments that form…
6: Extracellular Organisms
Section 6: Extracellular Organisms Microfilaria Trypanosomes Spirochetes Bacteria Microfilaria Distinctive Features: Microfilariae from Dirofilaria immitis or Acanthocheilonema reconditum (Dipetalonema reconditum) are large, extracellular filarial larvae, which have an elongated “wormlike”…
