Focality of Disease Onset

**Semantic type:** Qualitative Concept

**Definition:** The number of disease loci that are seen at the beginning or early stages of that disease.

**Synonyms:** - Focus of Onset - OUNIMULT - OUNIMULT - Onset Unifocal or Multifocal - Onset Unifocal or Multifocal - Onset Unifocal or Multifocal