You may have noticed that some medical terms have several noun forms and it is confusing to know which ending to use when you are first learning the words. You will discover the term “polydactylism”...

You may have noticed that some medical terms have several noun forms and it is confusing to know which ending to use when you are first learning the words. You will discover the term “polydactylism” has several noun forms that are correct including: polydactylia and polydactyl. See if you can find the following terms in your dictionary as alternative noun forms: polydactyl, polydactylism, polydactylia ________________________________ hydrocephalus, hydrocephaly_____________________________________________________ synergy,synergism__________________________________________________.