1. A specific area or zone that is the focus of study, analysis, or discussion
The researchers focused on the subject region of the brain responsible for memory.
Os pesquisadores se concentraram na região de interesse do cérebro responsável pela memória.
2. In medical imaging, a designated area within an image that requires examination or measurement
The radiologist marked the subject region for detailed analysis.
O radiologista marcou a região de interesse para análise detalhada.
3. An area or territory that is under discussion or investigation in academic or professional contexts
The historian examined the subject region to understand its historical significance.
O historiador examinou a região de interesse para compreender sua importância histórica.