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Medical Ex Root Word
Common Medical Terminology External Root Words
| Term | Definition |
|---|---|
| abdomin/o | abdomen |
| aden/o | gland |
| anter/o | front |
| arteri/o | artery |
| audi/o | hearing |
| bio | life |
| brachi/o | arm |
| bronch/i/o | bronchus |
| carcin/o | cancer |
| cardi/o | heart |
| col/o | colon |
| cyt/o | cell |
| derm/a/o, dermat/o | skin |
| dors/i/o | back or posterior |
| encephal/o | brain |
| gastr/o | stomach |
| gynec/o | female |
| hemat/o | blood |
| hist/o, histi/o | tissue |
| intestin/o | intestine |
| lapar/o | abdomen, loin or flank |
| lymph/o | lymph vessels |
| my/o | muscle |
| neur/o | nerve |
| ocul/o | eye |
| ophthalm/o | eyes |
| optic/o, opt/o | sight |
| or/o | mouth |
| ot/o | ear |
| path/o | disease |
| pharmac/o | drug |
| pulmon/o | lungs |
| sept/o | infection |
| thorac/o | chest |
| thyr/o | thyroid gland |
| trachel/o | neck or necklike |
| trich/o | hair or hairlike |
| ventr/i/o | front of body |
| viscer/o/a | internal organs |