
Normal anatomy Neoplasia
Neoplasia begins when normal growth control is disrupted, allowing abnormal cells to multiply and progressively alter normal tissue structure and function.
BA Medicale · Physician-led medical education
Why this matters
Source: World Health Organization (WHO) — Cancer ↗
Visual education
Open a clinician-led visual explainer to review the difference between normal anatomy, abnormal growth, local invasion, and possible spread.

Neoplasia begins when normal growth control is disrupted, allowing abnormal cells to multiply and progressively alter normal tissue structure and function.

As abnormal cells progress, they may invade nearby tissues and, in malignant disease, potentially spread through lymphatic or blood pathways to distant organs.
The clinical journey
Understanding each stage helps connect abnormal biology with detection, diagnosis, and clinical management.
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