Root Words

• pyo-


  pus
• quadri-


  four
• rect-


  straight
• reticulo-


  net
• retro-


  backward
• rhino-


  nose
• -rrhea


  hischarge
• -sect


  to cut
• semi-


  one-half
• -stomy


  opening
• supra-


  above
• syn-


  together
• thoraco-


  chest
• -tomy


  cut into
• trans-


  across
• -troph


  well fed
• tympano-


  eardrum
• uni-


  one
• uro-


  urine
• vas-


  vessel