elta , ▁par ma ▁and ▁c ly pe us . ▁In ▁contrast ▁to ▁the ▁sc ut um , ▁these ▁shield s ▁were ▁round . ▁Despite ▁these ▁latter ▁shield s ▁bearing ▁a ▁clear ▁round ▁shape , ▁coin ages ▁like ▁pet alis ▁cart il ago , ▁cart il ago ▁par mal is , ▁and ▁cart il ago ▁c ly pe alis ▁were ▁co ined ▁for ▁the ▁thy roid ▁cart il age . ▁In ▁ 1 6 th - century ▁Italian ▁an atom ist ▁Real do ▁Col om bo ' s ▁De ▁re ▁an atom ica , ▁besides ▁the ▁a for ement ioned ▁incorrect ▁pet alis ▁cart il ago , ▁correct ▁forms ▁like ▁sc ut alis ▁cart il ago ▁and ▁sc ut iform is ▁cart il ago ▁can ▁be ▁found , ▁as ▁the ▁sc ut um ▁is ▁the ▁real ▁Roman ▁pendant ▁of ▁the ▁Greek ▁ θ υ ρ ε ό ς . ▁The ▁latter ▁Latin ▁expression ▁can ▁be ▁found ▁in ▁its ▁English ▁form ▁in ▁medical ▁diction aries ▁as ▁sc ut iform ▁cart il age , ▁while ▁the ▁name ▁of ▁the ▁shield ▁itself , ▁i . e . ▁sc ut um , ▁is ▁still ▁being ▁mentioned ▁as ▁a ▁syn onym ▁for ▁the ▁thy roid ▁cart il age .< ref ▁name =" D or land 1 9 4 8 "> D or land , ▁W . A . N . ▁& ▁Miller , ▁E . C . L . ▁( 1 9 4 8 ). ▁The ▁American ▁illustrated ▁medical ▁dictionary .’ ’ ▁( 2 1 st ▁edition ).