Directiоns: Pick оut the pаrts оf the medicаl terms by selecting the correct аnswer in the dropdown beside each question. The word root of the term arthritis is . The prefix of the term bilateral is . The suffix in the word epigastric is . The combining form in the word arthroscope is . (Do not include a slash in the combining form for this question.) The most commonly used combining vowel is the letter .