Under the Microscope 101

An Introduction to Pathology and Laboratory

Medicine

1

Some of the Many Careers in Pathology and Laboratory

Medicine

PathologistMedical Laboratory Scientist

Medical Laboratory TechnicianCytotechnologistHistotechnologistHistotechnician

Phlebotomy Technician

2

Departments in the Medical Laboratory

Clinical ChemistryBlood Bank

Immunology/SerologyMicrobiology

UrinalysisCoagulationHematology

3

Complete Blood Count (CBC)

White blood cells (WBC)Red blood cells (RBC)

PlateletsHemoglobin Hematocrit

Blood Cells

I. LeukocytesA. Granulocytes

1. Segmented neutrophils2. Eosinophils3. Basophils

B. LymphocytesC. Monocytes

II. ErythrocytesIII. Thrombocytes

Segmented neutrophil

lymphocytes

monocytes

erythrocytes

thrombocytes

Abnormal Blood Cells

mononucleosis

Sickle Cell Anemia

Leukemia

Identifying Microorganisms

gram-positive cocci

gram-negative bacilli

19

“It takes a special person to be capable, qualified, and courageous enough to crawl into the belly of the beast that is human life and human death.”

William Petersen, co-producer and star of CSI: “Crime Scene Investigation”