Prefix intra-

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Across
  1. 2. within a school or institution
  2. 3. within a gene, in referring to certain events
  3. 4. a network used within only one organization
  4. 5. within a cell or cells
  5. 6. anatomy within the blood vascular system
  6. 8. existing or taking place within the mind or psyche
Down
  1. 1. situated or occurring within the eyeball
  2. 3. within a vein
  3. 4. occurring within a single day
  4. 7. inside a skull