the.com/pathogenesis

The step-by-step story of how disease actually happens, from first insult to full symptom.

means The biological chain of events by which a disease starts, develops, and produces its effects in the body.

from Built from Greek pathos ('suffering, disease') and genesis ('origin, coming into being') — the same genesis that gives us the Bible's opening book. Together they spell out exactly what the word does: the birth story of a disease, traced from its first cause to its unfolding symptoms.

not just cause
covers the whole mechanism, not just the trigger
timeline matters
explains why symptoms lag behind infection
treatment target
doctors interrupt pathogenesis, not just kill the cause
same bug, different path
one pathogen can cause wildly different disease routes
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