1st. Surgery (Sútra Sthána), in which is considered the origin of medicine; the rules of teaching, the duty of practitioners, the selection and uses of instruments and medicines, the influence of the weather on health, and the practice to be followed after surgical operations. Then follows the description of the diseases of the humours and surgical diseases; the restoration of defective ears and noses; and the removal of extraneous substances which have entered the body; the different stages of inflammation, with their treatment; different forms of wounds and ulcers, and the regimen of patients labouring under surgical diseases; the description of good and bad diet; of prognosis; the kind of messengers to be employed by the sick; and of diseases produced by the deranged actions of the senses, and of incurable diseases. Then follows the preparations required for accompanying a rajah in war, the duty of practitioners, the difference of climates, the different classes of medicines according to their sensible qualities, a description of the fluids, and of the different preparations, and articles of food. These subjects are treated of in thirty-six chapters.
2nd. Nosology (Nidána Sthána). The description and diagnosis of diseases produced by vitiated humous, or derangements of blood, bile, wind, and phlegm; the symptoms and causes of rheumatic diseases, of piles, of stone, fistula-in-ano, leprosy, diabetes, gonorrhœa, and ascites; the symptoms of unnatural presentations in midwifery, large internal abscesses, erysipelas, scrofula, hydrocele, venereal diseases, and diseases of the mouth. These subjects are considered in sixteen chapters.
3rd. Anatomy (Saríra Sthána), or structure of the body. The description of the soul, and the elementary parts of the body; of puberty; of conception; of the growth of the different parts of the body; of bleeding; of the treatment of pregnancy, and of infants. This division has ten chapters.
4th. Therapeutics (Chikitsa Sthána), in which the exhibition of medicines, the history of inflammations, the treatment of fractures, rheumatic diseases, piles, fistula-in-ano, leprosy, diabetes, and dropsy are given; the manner of extracting the child in unusual positions, the remedies for restoring health and strength, and for prolonging life; the means of preventing diseases; the use of clysters, and of errhines, and the use of the smoke of different substances. These are considered in forty chapters.