1. Cestodes are tapeworms or flatworms, which are acoelomates and obligates parasites.

2. Aggenerate afterstate advisorate adulterate adjudicate aculeolate acolythate acoelomate accumulate accomodate accentuate accelerate ablaqueate abjudicate abirritate aberuncate abbreviate abalienate

3. Acmaesthesia acme acmesthesia acnae rosaceae acnae vulgares acne acned acneform acnegenic acneiform acne rosacea acne urticata acne vulgaris ACNM Acocanthera acoelomate ACOG acoine aconitase aconite aconitic acid aconitine Aconitum acoumeter acousma acousmas acousmata acoustic acoustical acoustically acoustic meatus acoustic microscope; 5; 6; 7;