Antiemetic (an'te-e-met'ik). Arresting or preventing emesis or vomiting.

Antilithic (an-te-lith'ik). Preventing the formation of stone or calculus.

Antimorbific (anti-mor-bif 'ic). Preventing disease.

Antiperiodic (an'te-pe-re-od'ik). Serviceable against malarial or periodic recurrence.

Antiscorbutic (an'te-skor-bu'tik). Correcting or curing scurvy.

Antiseptic (an-te-sep'tik). A substance destructive to poisonous germs.

Antispasmodic (an'te-spaz-mod'ik). An agent that relieves spasms.

Antisyphilitic (an'te-sif-il-it'ik). Useful in cases of syphilis.

Anus (a'nus). The distal end and outlet of the rectum.

Apathy (ap'ath-e). Lack of feeling or emotion; indifference.