Articular. Relating to the joints.

Articulated. Jointed.

Articulations. The union of one bone with another. A Joint.

Ascites. Accumulation of fluid in the abdominal cavity.

Asphyxia. A condition of apparent death owing to the supply of air being cut off; as in drowning, inhalation of gases, sun-stroke, etc.

Aspirator. An instrument for the evacuation of fluids from the cavities of the body, as water in abdominal dropsy, the contents of tumors, etc.

Assimilation. Appropriating and transforming into its own substance, matters foreign to the body.

Astringents. Medicines which contract the flesh.

Atonic, Atony. Wanting tone.

Atrophied. Wasted; lessened in bulk.