-ous

• venousven·ous

  1. Rootven/ovein
  2. +Suffix-ouspertaining to

  relating to veins or to the blood they carry back to the heart

• intravenousintra·ven·ous

  1. Prefixintra-within, inside
  2. +Rootven/ovein
  3. +Suffix-ouspertaining to

  within a vein, or given by entering a vein, as an intravenous drip or injection

• subcutaneoussub·cutane·ous

  1. Prefixsub-below, under
  2. +Rootcutane/oskin
  3. +Suffix-ouspertaining to

  beneath the skin, as an injection given into the fatty tissue under the skin

• cutaneouscutane·ous

  1. Rootcutane/oskin
  2. +Suffix-ouspertaining to

  relating to the skin

• amorphousa·morph·ous

  1. Prefixa-without, not
  2. +Rootmorph/oshape, form
  3. +Suffix-ouspertaining to

  having no definite shape or structure

• percutaneousper·cutane·ous

  1. Prefixper-through
  2. +Rootcutane/oskin
  3. +Suffix-ouspertaining to

  done through the skin, usually with a needle or catheter, as percutaneous coronary intervention

Written for biofideX in plain words, after checking these references:

• MedlinePlus: Appendix A: Word Parts and What They Mean
• Suffixes – Medical Terminology: An Interactive Approach
• Medical Terminology With Adjective Suffixes - GlobalRPH

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