normal segment
[/ˈnɔːrməl ˈseɡmənt/]
nounpl: normal segments
segmento normal
1. In geometry, a line segment that is perpendicular to a curve or surface at a given point
The normal segment to the circle at point A is perpendicular to the tangent line.
O segmento normal ao círculo no ponto A é perpendicular à linha tangente.
2. In medical imaging and cardiology, a region of tissue or organ that shows typical, healthy characteristics without abnormalities
The echocardiogram showed a normal segment of the left ventricle wall.
O ecocardiograma mostrou um segmento normal da parede do ventrículo esquerdo.
3. In finance and business, a standard market segment or customer category with typical characteristics
The normal segment of the market shows steady growth in the third quarter.
O segmento normal do mercado mostra crescimento constante no terceiro trimestre.
This is primarily a technical term used in mathematics, medicine (especially cardiology and medical imaging), and business/market analysis. It is more commonly encountered in professional, academic, or medical contexts rather than in everyday conversational Portuguese or English. In Brazilian medical practice, the term is frequently used in echocardiography reports to describe normal cardiac wall segments.
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