en cl ature ▁committee ▁of ▁the ▁Nom ina ▁An atom ica ▁officially ▁approved ▁this ▁orth ographic ▁revision ▁in ▁its ▁edition ▁of ▁ 1 9 6 1 . ▁The ▁sp elling ▁without ▁an ▁e ▁is ▁commonly ▁accepted ▁in ▁English Dir ck x , ▁J . H . ▁( Ed .) ▁( 1 9 9 7 ). St ed man ’ s ▁conc ise ▁medical ▁dictionary ▁for ▁the ▁health ▁prof essions . ▁( 3 rd ▁edition ). ▁Baltimore : ▁Williams ▁& ▁Wil kins . ▁but ▁earlier ▁works ▁preferred ▁the ▁et ym olog ically ▁correct ▁thy re oid ▁cart il age . B ark er , ▁L . W . ▁( 1 9 0 7 ). ▁An atom ical ▁termin ology ▁with ▁special ▁reference ▁to ▁the ▁[ B NA ]. ▁With ▁voc ab ular ies ▁in ▁Latin ▁and ▁English ▁and ▁illustr ations . ▁Philadelphia : ▁P . ▁Bla k ist on ’ s ▁Son ▁& ▁Co . ▁The ▁official ▁Latin ▁veter inary ▁nom en cl ature , ▁Nom ina ▁An atom ica ▁V eter in aria ▁has ▁the ▁form ▁cart il ago ▁thy ro idea , ▁ ▁in ▁common ▁with ▁the ▁human ▁Nom ina ▁An atom ica / Term in ologia ▁An atom ica , ▁but ▁allows ▁( in ▁contrast ▁to ▁the ▁latter ) ▁cart il ago ▁thy re o idea ▁ ▁as ▁an ▁alternative ▁sp elling . ▁ ▁An ▁un fortun ate ▁m ish ap ▁is ▁the ▁res embl ance ▁between ▁Latin ▁thy ro idea ▁and ▁English ▁thy roid ▁on ▁the ▁one ▁side ▁and ▁An