Susruta Samhita

Scope note. This encyclopaedia treats Traditional Western Medicine as its primary subject. Ayurveda is not a standalone subject here. This page is retained as context for Western medicine’s encounters with Ayurvedic surgical knowledge — most notably the transmission of Susrutan reconstructive techniques through Arabic toxicology and into European plastic surgery via the 1793 Poona rhinoplasty observed by British surgeons in India, an event whose textual lineage reaches back to this compendium. For comprehensive Ayurvedic scholarship readers should consult specialist references in that field; this page does not aim to replicate that scholarship and will not be expanded as a primary subject.

The Susruta Samhita is a Sanskrit medical compendium that is the foundational text of classical Indian surgery and the second member of the brhattrayi (great threesome) of ayurveda. The kernel of the work probably began some centuries BCE as a text mainly on surgery, but it was heavily revised and added to in the centuries before 500 CE. The compendium describes ophthalmic couching, perineal lithotomy, removal of arrows and splinters, suturing, the examination of dead bodies for the study of anatomy, ear-lobe and nose repair, more than a hundred named surgical instruments, and a systematic toxicology that travelled into the medieval Arabic world and through there into Europe. The work also gives a strikingly theological account of bodily wind (vata), describes Soma as a magical rejuvenation elixir, and prescribes a method of dissection by river-burial that almost certainly originated outside the brahmanic social setting. Susruta’s school of surgery effectively migrated out of orthodox practice in the centuries after the text’s redaction, and a measured account of why this happened is one of the most contested questions in the history of Indian medicine.

Title and Composition

The compendium presents itself as a teaching transmitted from the divine surgeon Dhanvantari to his student Susruta of Kasi (Varanasi). G.J. Meulenbeld has noted that the reviser of the work may have lived before Drdhabala — the redactor of the Caraka Samhita — and therefore before about 500 CE. The whole of the sixth and last part of the compendium, the Uttara-tantra, is generally thought to be an addition by this editor, who also seems to have added material elsewhere in the text.(Wujastyk, 1998) The structure of Susruta’s work is therefore a kernel surgical text from some centuries BCE, layered over with later material on internal medicine, paediatrics, eye disease, and the metaphysics of bodily wind.(Wujastyk, 1998)

The compendium is divided into six sections (sthanas): Sutra (general principles), Nidana (causes of disease), Sarira (anatomy and embryology), Cikitsa (therapeutics), Kalpa (toxicology), and the appended Uttara-tantra covering specialty subjects including paediatrics and ophthalmology.

Place in the Ayurvedic Canon

Susruta is the second member of the brhattrayi, the “great threesome” of ayurveda — Caraka, Susruta, and Vagbhata’s Heart of Medicine.(Wujastyk, 1998) But the Susruta Samhita is qualitatively different from Caraka in its centre of gravity. Where Caraka treats brief surgical descriptions among his discussions of internal medicine, Susruta opens a historical window onto a school of professionalized surgical practice almost two millennia old that was almost certainly the most advanced school of surgery in the world of its day, describing how a surgeon should be trained and exactly how various operations should be done.(Wujastyk, 1998)

Surgery (Salya-tantra)

Instruments and training

Susruta lists twenty named knives — circle-tip, handsaw, big-leaf, nail-knife, ring knife, lotus-leaf, single-edged, needle, grass-leaf, black ibis beak, scissorbill-beak, interior-tip, triple-brush, little axe, rice-tip, awl, ratan-leaf, hook, tooth-spike, and probe — along with three methods of tempering blades according to use: in caustic soda for cutting arrows, splinters, and bone; in water for cutting, splitting, and lancing flesh; in oil for piercing ducts and cutting sinews.(Wujastyk, 1998) The compendium prescribes practical training on substitutes before working on patients: ash gourd, bottle gourd, watermelon, cucumber, sweet melon, and spiny bitter cucumber for cutting; leather waterbags, bladders, and pouches for splitting; the ducts of dead animals and lotus stalks for piercing; soft pieces of meat for cautery and caustics. Susruta states the principle directly: someone who has heard a great deal but has not had any practical experience will be inept when it comes to performing operations.(Wujastyk, 1998)

Plastic surgery and the rhinoplasty

The compendium describes nose repair using a measured cheek skin-flap, scarification of the nose stump, two tubes inserted to maintain the airway, and post-operative oiling and purging. The Sanskrit is unfortunately ambiguous on the important point of whether the flap of grafted skin remains connected to its original site on the cheek.(Wujastyk, 1998) More explicit is the chapter on ear-lobe surgery, which lists fifteen named patterns of split or torn lobes with corresponding repair techniques, and includes a method for creating an ear lobe entirely from cheek tissue grafted while still attached to its blood supply — an early reference to the technique of vascularised flap grafting.(Wujastyk, 1998)

The 1793 Poona rhinoplasty

In March 1793, Cowasjee — a Maratha bullock-cart driver with the English army in the war of 1792, captured by the forces of Tipu Sultan and mutilated by having his nose and one hand cut off — submitted himself to nose-repair by a man with a regional reputation for the operation. Senior British surgeons in the Bombay Presidency, Thomas Cruso and James Findlay, witnessed the procedure. The key innovation, novel to European observers, was the grafting of skin from a site immediately adjacent to the wound while keeping the graft alive and supplied with blood through a connective skin bridge.(Wujastyk, 1998) The operation was published in 1794 and inspired Joseph Carpue’s 1816 treatise; through Carpue’s work, the technique gained wide currency among British and European surgeons and is often cited as the founding moment of modern plastic surgery.(Wujastyk, 1998)

Splinter removal

The compendium presents fifteen named methods of removing loose splinters: by themselves (through the action of tears, sneeze, cough, or throat-clearing); by sepsis (deliberately inducing pus to expel a buried splinter); by magnet (for ferrous fragments lying with the grain in a large wound); by joy (for splinters of grief lodged in the heart); and, when a splinter is embedded in a bone aperture, by forceful traction using bowstrings tied to a horse’s bridle, the horse then struck with a crop so it raises its head and pulls the splinter free.(Wujastyk, 1998)

Diagnosis

Susruta describes a six-fold diagnostic method: the five senses plus interrogation. Touch examines cold, heat, smoothness, roughness, softness, and hardness. Sight evaluates growth and diminution, age, strength, and colour. Taste detects particular tastes occurring in urine disorders. Smell registers signs of impending death and the odours of wounded and unwounded bodies.(Wujastyk, 1998) This stands at some distance from the simpler “look, listen, ask” diagnostic schemas that Wujastyk notes had been promoted by some commentators as adequate to most ailments — Susruta explicitly rejects that reduction.(Wujastyk, 1998)

Doctrine of the Bodily Wind

Susruta presents wind (vata) in strikingly grand terms: “This holy wind is God, they say. It is free, eternal, and omnipresent, and because of this it is revered in all the worlds as the Self of all creatures. It is the cause of the existence, origination, and disappearance of all beings.”(Wujastyk, 1998) Wujastyk notes that this theological intensity introduces a distinct asymmetry into the Indian humoral system. Wind has primacy over choler and phlegm. The tridosa or three-humour theory is really a “two-plus-one” theory: wind added to a more tightly-bound duality of choler and phlegm.(Wujastyk, 1998) Wujastyk further proposes — though more cautiously — that the combination of wind with hot/cold humours may be a specifically Indian and post-Vedic contribution, since wind is not a humoral category in ancient Greek medicine and the tridosa theory is not obviously present in the earliest Vedic literature; the emphatic character of Susruta’s wind chapter may indicate that wind was a relatively new entrant whose case still required vigorous defence.(Wujastyk, 1998)

Bloodletting and the Centrality of Blood

Susruta declares: “Blood is the root of the body. Survival comes from realizing that blood is life.”(Wujastyk, 1998) His bloodletting nevertheless differs from Galenic phlebotomy. In Susruta the primary purpose is the removal of corrupted blood — an elimination therapy — rather than the drainage of plethora (pathological excess) that animated Galen’s practice.(Wujastyk, 1998) The benefits Susruta lists include lightness, alleviation of pain, reduction in the force of an illness, and clarity of mind.(Wujastyk, 1998)

Soma as Rejuvenation Elixir

The Uttara-tantra preserves a passage on Soma that is unique in classical Sanskrit literature: a magic medicine that destroys the man and rebuilds him as a being so radiantly beautiful that he must not glance into a mirror.(Wujastyk, 1998) Wujastyk notes that this places Soma in the world of elixirs and rejuvenation (rasayana) more usually associated with the abundant later Sanskrit literature of alchemy, but rejuvenation elixirs are a firm part of pre-alchemical ayurvedic lore and are dealt with in the main texts of Susruta, Caraka, and others.(Wujastyk, 1998)

Toxicology and Foreign Transmission

The Kalpasthana on poisons proceeds almost entirely without dosa-theory mediation — the author moves straight from a description of symptoms to a description of the remedy, without reference to humours. The Sanskrit terms sleshman and kapha are used to mean simply saliva or mucus rather than the watery humour, and pitta means literally bile rather than the choleric humour. Wujastyk reads this directness as a marker of an unusually ancient stratum.(Wujastyk, 1998)

This theory-light directness may have made the chapter uniquely suited for export. Several portions of Susruta’s poison material were incorporated into the medieval Arabic toxicological work Kitab as-Sumum (Canakya’s Book of Poisons) in almost word-for-word translation; the Arabic text gained widespread popularity in the medieval Middle East, with manuscripts found in Cairo, Istanbul, Baghdad, Damascus, Beirut, and Jerusalem.(Wujastyk, 1998) Among the figures transmitted into the medieval European imagination through this channel is the Venomous Virgin (visakanya) — a girl raised on poison from birth so that her touch and breath kill — a stock character in Susruta and in Vagbhata’s Tome on Medicine, and one which reached Europe through the Latin Secretum Secretorum (translated from the Arabic Kitab Sirr al-Asrar) and the Gesta Romanorum.(Wujastyk, 1998)

Anatomy by Dissection

Susruta’s anatomical knowledge depends on a method of dissection unusual in the brahmanic intellectual setting. A corpse — not severely poisoned, not from prolonged illness, intact, and not aged — is wrapped in muñja or kusa grass, placed in a cage in a flowing stream, and left for seven nights. Once thoroughly putrid, the body is removed and scraped layer by layer with grass-bunches to identify external and internal parts.(Zysk, 1991) Zysk argues that because this method requires sustained contact with extreme ritual impurity, it very likely did not originate in the brahmanic social and religious setting but among the sramanas (heterodox ascetic groups, including Buddhists), whose disposal of the dead by river-burial — confirmed in the seventh century by the Chinese pilgrim Hsuan-tsang and in the eleventh by Albiruni — is consistent with the Susruta dissection technique.(Zysk, 1991)(Zysk, 1991)

Decline of Surgery

Wujastyk argues that after Susruta’s time surgery effectively migrated out of orthodox vaidya (physician-caste) practice into the barber-surgeon castes. As such, it lost the underpinning of Sanskrit literary tradition and becomes harder to track historically; the theoretical aspects of surgery continued to appear in those medical textbooks that aimed at full coverage of the field, but in practice those who applied the surgical techniques became increasingly isolated from mainstream ayurvedic practice.(Wujastyk, 1998) Wujastyk’s reading is that as the caste system grew in rigidity through the first millennium CE, taboos concerning physical contact became almost insurmountable, and vaidyas seeking to enhance their status resisted therapies that involved intimate physical contact with the patient or cutting into the body.(Wujastyk, 1998) Zysk’s parallel argument — that the dissection technique itself betrays a non-brahmanic origin — supports the same general direction: surgery was sociologically incompatible with the purity demands that came to dominate vaidya self-understanding.(Zysk, 1991)

The picture is consistent with the institutional history Zysk reconstructs. The arogyavihara (health house) excavated at Pataliputra (c. 300-450 CE) yielded a sealing reading “in the auspicious health house of the monastic community” and another fragment bearing Dhanvantari’s name, suggesting the monastery’s physician practised surgical medicine in Dhanvantari’s tradition — that is, in the school of Susruta — at a Buddhist monastic site rather than in a brahmanic context.(Zysk, 1991) The Chinese traveler Fa Hsien, writing in the early fifth century CE, described comparable charitable medical houses in Pataliputra itself, where merchant families supported institutions that provided food, medicine, and care to the poor, orphans, and the disabled.(Wujastyk, 1998) Among the materia medica categories, Zysk also notes that the resin/lac group (jatu, laksa) appears as a distinct category only in Susruta and not in Caraka, paralleling the Pali Vinaya’s medicinal gums and pointing to a Buddhist-Susrutan continuity at the level of pharmacological classification.(Zysk, 1991)

Other Distinctive Doctrines

Susruta’s stock vocabulary for physician/patient/attendant qualities relies on brahmanic terms — satya (truth), dharma (duty), astika (pious) — where Caraka’s parallel list uses cleaner Buddhist-style fourfold formulas. Zysk reads this as evidence of a Hindu veneer applied later to the Susruta material, over an earlier shared codification with the Buddhist Vinaya.(Zysk, 1991) On gender and the body, Susruta’s compendium suggests a degree of homology between male semen and female breastmilk, but ayurveda’s overall account of the chain of bodily tissues remains essentially male; there is no clear analogue to semen as the highest essence in the woman’s body, and conception is understood as the union of male semen with retained menstrual blood.(Wujastyk, 1998)

The compendium’s stance on diet matches Caraka’s: meat and alcoholic preparations are presented without apology as ordinary medical resources.(Wujastyk, 1998) The list of patients who should not be treated likewise overlaps with Caraka’s, and Susruta’s commentator Dalhana glosses the exclusion of the poor by noting that someone unable to afford the prescribed medicine cannot benefit from medical advice.(Wujastyk, 1998) On classification of fats by ecological habitat — wetlands (anupa) versus drylands (jangala) — Susruta and Caraka represent what Francis Zimmermann describes as a brahmanic systematization superimposed on the older Buddhist source-classification.(Zysk, 1991)

Textual State

Susruta’s text was already so unstable a millennium ago that the medieval Sushruta-pathasuddhi (“Correction of the readings in Susruta”), composed around the turn of the eleventh century by Candrata, was created specifically to address its variant readings. Wujastyk notes that by the time of the commentators Gayadasa (c. 1000) and Dalhana (c. twelfth century), many variant readings were in circulation, especially in the chapter on wind, with manuscripts available to those commentators offering alternative readings to almost every verse.(Wujastyk, 1998) As with Caraka, all twentieth-century scholarship rests on uncritical vulgate editions — books printed on a small number of regional manuscripts, normally from Bombay or Calcutta — leaving the textual foundation of Susruta partial and out of focus.(Wujastyk, 1998)

See Also

• Susruta
• Charaka Samhita
• Charaka
• Ayurvedic Medicine
• Tridosha
• Poona Rhinoplasty 1793
• Buddhist Monastic Medicine
• Galen
• Dhanvantari

Sources

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Editorial Notes

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Textual State