Examines normal cells, extracellular matrix, tissue architecture, and the microscopic appearance of major tissue types before disease alters them.

Develops the vocabulary used to describe causes, mechanisms, structural changes, symptoms, prognosis, and disease progression.

Teaches bright-field microscopy, magnification, resolution, slide navigation, artifact recognition, and systematic examination of tissue sections.

Traces pathology from autopsy-based anatomy and germ theory through cellular pathology, laboratory medicine, molecular diagnostics, and digital practice.

Explains cellular adaptation, reversible injury, organelle damage, oxidative stress, and the biochemical consequences of harmful stimuli.

Distinguishes necrosis, apoptosis, regulated cell death, and their characteristic microscopic and clinical patterns.

Examines vascular changes, leukocyte recruitment, inflammatory mediators, and the morphologic patterns of acute inflammation.

Addresses persistent infection, immune-mediated injury, granulomatous inflammation, fibrosis, and the systemic effects of chronic inflammation.

Follows regeneration, scar formation, wound healing, extracellular matrix remodeling, and the causes of impaired repair.

Connects edema, hyperemia, hemorrhage, thrombosis, embolism, infarction, shock, and disseminated intravascular coagulation to disturbed blood flow.

Shows how inherited and acquired variants cause disease through altered proteins, chromosomes, gene dosage, and patterns of inheritance.

Examines malformations, deformations, disruptions, teratogens, fetal growth disorders, and the pathologic basis of congenital disease.

Explains hypersensitivity, autoimmunity, immunodeficiency, transplant rejection, and tissue injury caused by abnormal immune responses.

Connects microbial entry, virulence, host response, tissue patterns, and diagnostic clues across major classes of infection.

Addresses toxic exposures, physical injury, occupational disease, nutritional deficiency, obesity-related disease, and substance-associated tissue damage.

Defines clonal growth, benign and malignant behavior, tumor nomenclature, cellular atypia, and the hallmarks of cancer.

Examines oncogenes, tumor suppressors, DNA repair defects, epigenetic change, carcinogens, and inherited cancer predisposition.

Teaches invasion, metastasis, tumor grading, TNM staging, predictive biomarkers, and the relationship between pathologic findings and prognosis.

Follows biopsy, excision, cytology, blood, and body-fluid specimens from collection through transport, accessioning, fixation, and rejection decisions.

Teaches specimen orientation, measurement, margin identification, section selection, photography, and safe gross-room practice.

Covers fixation, processing, embedding, microtomy, routine staining, special stains, frozen sections, and common preparation artifacts.

Uses transmission electron microscopy to evaluate ultrastructure in renal, neuromuscular, ciliary, metabolic, and selected tumor disorders.

Teaches antibody selection, staining controls, panel design, interpretation, and troubleshooting for immunohistochemistry.

Applies fluorescence and chromogenic in situ hybridization to gene amplification, rearrangements, copy-number changes, and infectious targets.

Follows a surgical specimen from clinical question and gross examination through microscopic diagnosis, ancillary testing, sign-out, and amended reporting.

Teaches exfoliative cytology, fine-needle aspiration, adequacy assessment, cell blocks, screening systems, and standardized cytology reporting.

Covers consent, clinical review, dissection, organ examination, tissue sampling, cause-of-death analysis, and communication with families and care teams.

Addresses injury interpretation, sudden death, toxicology coordination, evidence handling, postmortem change, and the medical examiner and coroner systems.

Develops clear diagnostic language, synoptic reporting, differential diagnosis, critical-result communication, consultation, and clinicopathologic correlation.

Relates atherosclerosis, ischemic heart disease, cardiomyopathy, myocarditis, valve disease, congenital lesions, and vascular disorders to clinical findings.

Examines obstructive and restrictive lung disease, pneumonia, diffuse alveolar damage, pulmonary vascular disease, pleural disease, and thoracic tumors.

Covers inflammatory, infectious, ischemic, malabsorptive, and neoplastic disorders from the esophagus through the anus.

Addresses hepatitis, steatotic liver disease, cirrhosis, vascular injury, biliary disorders, and primary and metastatic liver tumors.

Examines pancreatitis, cystic lesions, endocrine tumors, ductal neoplasia, and pancreatic cancer precursors.

Uses light microscopy, immunofluorescence, and electron microscopy to diagnose glomerular, tubular, interstitial, vascular, and cystic kidney disease.

Covers inflammatory lesions, stones, urothelial neoplasia, kidney tumors, and pathologic evaluation of the urinary tract.

Addresses diseases of the prostate, testis, penis, and male reproductive tract, including infertility-related findings and major tumors.

Examines cervical, endometrial, ovarian, vulvar, and vaginal disease using precursor-lesion frameworks and standardized tumor assessment.

Relates placental structure to maternal and fetal disease, pregnancy loss, infection, growth restriction, preeclampsia, and perinatal death.

Covers benign breast disease, high-risk lesions, carcinoma classification, margin assessment, receptor testing, and treatment-response evaluation.

Examines pituitary, thyroid, parathyroid, adrenal, and neuroendocrine disorders through their structural and hormonal effects.

Builds pattern-based diagnosis for inflammatory dermatoses, blistering disease, infections, melanocytic lesions, and cutaneous tumors.

Teaches radiologic-pathologic correlation, biopsy evaluation, tumor classification, grading, and molecular testing for bone and soft-tissue lesions.

Addresses degenerative, inflammatory, infectious, metabolic, traumatic, and neoplastic disorders of joints and supporting tissues.

Covers cerebrovascular disease, infection, demyelination, neurodegeneration, trauma, and tumors of the central nervous system.

Uses biopsy, enzyme studies, immunostains, and ultrastructure to diagnose skeletal muscle and peripheral nerve disorders.

Examines inflammatory and neoplastic disease of the oral cavity, salivary glands, sinonasal tract, pharynx, and larynx.

Covers corneal, retinal, uveal, optic-nerve, orbital, and ocular tumor pathology with clinical and imaging correlation.

Addresses age-specific congenital disorders, metabolic disease, childhood tumors, and the ways pediatric specimens differ from adult practice.

Diagnoses leukemias, lymphomas, plasma-cell neoplasms, myeloid disorders, and reactive lymphoid conditions using morphology and ancillary studies.

Evaluates rejection, infection, recurrence, drug injury, and graft dysfunction in transplanted organs using standardized grading systems.

Introduces accuracy, precision, reference intervals, sensitivity, specificity, calibration, uncertainty, interference, and preanalytic variation in laboratory results.

Applies chemical measurement to electrolytes, renal and liver function, proteins, enzymes, lipids, glucose, blood gases, and endocrine testing.

Uses mass spectrometry for drug measurement, toxicology, endocrinology, metabolic testing, microbial identification, and protein analysis.

Interprets complete blood counts, blood films, bone marrow findings, anemias, cytopenias, hemoglobin disorders, and myeloproliferative patterns.

Examines platelet function, coagulation pathways, bleeding disorders, thrombophilia, anticoagulant monitoring, and laboratory investigation of abnormal clotting tests.

Teaches instrument setup, antibody panels, gating, controls, artifact recognition, and interpretation in leukemia, lymphoma, immune, and cellular assays.

Covers blood typing, antibody screening, compatibility testing, component selection, transfusion reactions, apheresis, and patient blood management.

Uses culture, stains, susceptibility testing, and rapid identification methods to diagnose bacterial infections and support antimicrobial stewardship.

Applies antigen tests, nucleic-acid assays, serology, viral-load testing, and resistance testing to clinically important viral infections.

Diagnoses fungal and parasitic disease through microscopy, culture, antigen detection, serology, molecular tests, and exposure history.

Examines autoantibodies, complement, immunoglobulins, allergy testing, immune deficiency evaluation, and immunologic assay limitations.

Teaches nucleic-acid extraction, PCR, quantitative assays, sequencing-independent variant detection, contamination control, and result interpretation.

Uses karyotyping, chromosomal microarrays, and targeted chromosome studies to detect constitutional and acquired genomic abnormalities.

Follows assay selection, library preparation, sequencing, bioinformatics, variant interpretation, validation, and reporting for diagnostic next-generation sequencing.

Applies multiplex PCR and other rapid panels to respiratory, gastrointestinal, neurologic, bloodstream, and antimicrobial-resistance testing while managing false positives and incidental detections.

Uses circulating tumor DNA and other cell-free analytes for tumor profiling, treatment selection, response assessment, and residual-disease detection.

Addresses bedside and near-patient testing, operator training, connectivity, quality control, waived testing, and decisions about when rapid results justify decentralization.

Connects laboratory information systems, middleware, electronic health records, instrument interfaces, terminology standards, data integrity, and cybersecurity.

Examines track systems, robotic specimen handling, automated staining, algorithmic verification, and workflow redesign for high-volume laboratories.

Covers whole-slide imaging, scanner validation, image quality, remote sign-out, digital consultation, storage, interoperability, and regulatory constraints.

Teaches dataset design, annotation, validation, bias assessment, human oversight, and safe use of machine learning for detection, classification, grading, and workflow support.

Applies single-cell sequencing to resolve mixed tissues, identify rare populations, trace tumor evolution, and connect cellular states to disease.

Uses spatial transcriptomic and proteomic methods to map molecular activity while preserving tissue architecture and microenvironment context.

Builds quality systems around controls, proficiency testing, method comparison, reference-range verification, assay validation, audits, corrective action, and continuous improvement.

Teaches risk assessment, personal protective equipment, exposure response, biological containment, chemical safety, sharps safety, and safe handling of fresh and fixed specimens.

Explains CLIA requirements, CAP accreditation, FDA oversight, state laboratory rules, personnel qualifications, inspections, and the responsibilities of a laboratory director.

Addresses informed consent, privacy, specimen ownership, conflicts of interest, diagnostic error, malpractice exposure, expert testimony, and responsible use of patient data.

Covers critical-value policies, cancer registry obligations, communicable-disease notification, death certification, chain-of-custody records, and jurisdiction-specific reporting duties.

Uses evidence, clinical impact, cost, turnaround time, and test limitations to choose appropriate studies and reduce unnecessary or misleading testing.

Follows a real case from clinical question and specimen acquisition through morphology, laboratory data, ancillary testing, multidisciplinary review, final reporting, treatment guidance, and follow-up.

Teaches study design, biobanking, assay development, translational research, reproducibility, research ethics, and evaluation of diagnostic evidence.

Maps anatomic pathology, clinical pathology, forensic pathology, molecular pathology, informatics, research, and laboratory leadership roles. It also addresses medical education, residency and fellowship, state licensure, American Board of Pathology certification, proof-of-skill artifacts, mentorship, professional societies, and staying current with classifications and guidelines.