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.