Choose a sample, switch objectives and pull fresh fields. Count organisms against published cut-offs, or switch to identify mode and let the lab quiz you. Every field is drawn new, so you learn the pattern — not one picture.
Cellularity & quality · Environment · Lineage · Look for malignancy. Taught in Module 7.
Ear cytology is graded per ×400 field against published dog and cat cut-offs; urine sediment per high-power field.
Fields are illustrated to textbook morphology and relative size. Real slides vary — confirm with your own microscope and, when in doubt, a clinical pathologist.