Aperients are medicines which move the bowels gently, such as rhubarb, manna, and grey powder.
865. Aromatics
Aromatics are cordial, spicy, and agreeably-flavoured, medicines, such as cardamoms, cinnamon, &c.
866. Astringents
Astringents are medicines which contract the fibres of the body, diminish excessive discharges, and act indirectly as tonics, such as oak bark, galls, &c.
867. Attenuants
Attenuants are medicines which are supposed to thin the blood, such as ammoniated iron, &c.