Ætiology. The science of causes.
Ala. A wing.
Ala Nasi. The cartilaginous sides of the nose which move during difficult breathing.
Albuminoid. Resembling albumen.
Albuminaria. The presence of albumen in the urine. A kidney disease.
Alkalies. Substances that have the power of forming salts with acids.
Alimentary Canal. The passage from the mouth to the anus.
Alterative. A medicine that has power to gradually change or improve a disease.
Alveoli. The bony sockets of the teeth.
Amenorrhœa. A suspension or absence of the menses.