PsychologyAugust 12, 2026
asymptomatic
AY-simp-tuh-MAT-ik
Definition
Presenting or showing no symptoms of a disease or condition.
Etymology
Derived from the Greek 'asymptōtos', meaning 'not falling together.' It combines the prefix 'a-' (without) and 'symptom' from the Greek 'symptōma' (an occurrence or chance).
In the news
The term is used to describe individuals who carry a disease or infection without displaying outward signs, which often complicates clinical trial recruitment and ethics.
Medical ethics and IRB committees make two errors: they block useful research, they permit useless research
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