ening in an artery.

Animalcule (anim-al'kul). Any minute animal organism.

Anodyne (an'o-din). A medicine that relieves pain.

Antacid (an-tas'id). A substance that counteracts or neutralizes acidity.

Antiphrodisiac (ant'af-ro-diz-e-ak). An agent that allays sexual impulses.

Anthelmintic (an-thel-min'tik). Destruction to worms.

Anthrax (an'thrax). A carbuncle.

Antibilious (an-te-bil'yus). Good against bilious conditions.

Antidote (an'te-dot). A remedy for counteracting a poison.

Antidysenteric (an'te-dis-en-ter'ik). Relieving, curing or preventing
dysentery.

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.

Apparatus (ap-ar-a'tus). A number of parts acting together in the
performance of some special function.

Aphasia (ah-fa'ze-ah). Defect or loss of the power of expression by
speech, writing, or signs.

Aphthous (af'thus). Pertaining to, characterized by, affected with
aphthae (thrush).

Apex (a'pex). The top or pointed extremity of any conical part.

Apnea (ap-ne'ah). The transient cessation of breathing that follows a
forced respiration.

Aperient (ap-e're-nt). A gentle purgative or laxative.

Appetite (ap'et-it). A natural longing or desire, especially that for
food.

Areola (ar-e'o-lah). The colored circle round the nipple or round a
pustule. A minute space or interstice in a tissue.

Aromatic (ar-o-mat'ik). A medicinal substance with a spicy fragrance and
stimulating qualities.

Aroma (ah-ro'mah). The fragrance or odor, especially that of spice or
medicine, or of articles of food or drink.

Arthrodia (ar-thro'de