Arsenic, s. A mineral, the preparations for which are sometimes used in veterinary practice.

There are two kinds, white and yellow: white arsenic is a powerful tonic, and has been given with success in glanders and farcy. Yellow arsenic, mixed with lard, is used to remove warts, and in fistula and poll-evil.

Arsenical, a. Containing arsenic.

Arterial, a. That which relates to the artery; that which is contained in the artery.

Artery, s. An artery is a conical vessel, conveying the blood from the heart to all parts of the body.

Articular, a. Belonging to the joints.

Asafœtida, s. A very offensive-smelling gum. It has antispasmodic qualities; and in veterinary practice is said to be serviceable in coughs, thick wind, and lock-jaw.

Ascarides, s. Little worms generally found in the rectum.

Ascites, s. For this disease in horses and dogs, see White, Blaine, &c.—Vide Anasarca.

Ash-colour, s. A colour between brown and gray.