Quick Review on Veterinary Pathology

Vetnepal Review Note 2019-03-15

TERMINOLOGY

Edema: is a condition of abnormally large fluid volume in the circulatory system or in tissues between the body's cells (interstitial spaces)

Embolism: An embolism is an obstruction in a blood vessel due to a blood clot or other foreign matter that gets stuck while traveling through the bloodstream. The plural of embolism is emboli

Erythrocytes

Macrocytes: larger erythrocytes of normal shape
Microcytes: Abnormally small erythrocytes
Spherocytes: small, spherical erythrocytes that lack central pallor
Polychromasia: Variation in cell staining (change to bluish gray) observed in erythrocytes stained with Romanowsky-type stains due to the presence of residual RNA.
Poikilocytes: Abnormally shaped erythrocytes.
Leptocytes: Thin erythrocytes with an increased amount of cell membrane relative to the total cell volume; thus they are folded over.
Stomatocytes: A type of leptocyte that is bowl shaped when three dimensional
Keratocytes: Known as horn cells or helmet cells, are erythrocytes that have one or more angular projections resembling horns that protrude from the cell surface.
Schistocytes: Fragments of damaged erythrocytes that appear as crescents, triangles, or other irregular shapes
Acanthocytes: Erythrocytes with several unevenly spaced, irregular projections or spicules that form secondary to an altered membrane lipid and cholesterol content