the root plus the combining root plus the combining vowel.
HEMAT/O means blood
Root + combining vowel = COMBINING FORM
*TO HELP ME REMEMBER:
CIS/O to cut (as in 'incision')
*THE ONLY 2 WORDS THAT MEAN KIDNEYS NEPHR/O think nephritis, REN/O think renal failure
SECT/O think section off seperate, cut off
THROMB/O think thrombosis