sect: cut; separate

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Across
  1. 2. surgery on living animals; medical research that involves cutting into living animals to study organs, tissues, or diseases
  2. 3. a class of small animals that has three separate sections to their body
  3. 5. to cut into three separate pieces
  4. 7. a separate part of a society, group, or area transect to cut across something
  5. 9. the point at which two lines or roads meet and cut across one another
Down
  1. 1. to cut apart for the purposes of investigation
  2. 4. to cut into two pieces
  3. 6. a couch made up of separate pieces
  4. 8. a separate part of something