German: Fokus
Japanese: 病巣、フォーカス

1. Medicine. The main center of a morbid process.
2. Oncology. Group of neoplastic cells which are identifiable by distinctive morphology or histology.
3. Molecular genetics. Repair proteins (such as gamma-H2AX) assemble at a DNA-double strand break and build a formation called focus.

also to focus: to concentrate.
Adjective: focal

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