The ''Kitāb al-Taṣrīf'' (), known in English as The Method of Medicine, is a 30-volume
Arabic
Arabic (, , or , ) is a Central Semitic languages, Central Semitic language of the Afroasiatic languages, Afroasiatic language family spoken primarily in the Arab world. The International Organization for Standardization (ISO) assigns lang ...
encyclopedia on
medicine
Medicine is the science and Praxis (process), practice of caring for patients, managing the Medical diagnosis, diagnosis, prognosis, Preventive medicine, prevention, therapy, treatment, Palliative care, palliation of their injury or disease, ...
and
surgery
Surgery is a medical specialty that uses manual and instrumental techniques to diagnose or treat pathological conditions (e.g., trauma, disease, injury, malignancy), to alter bodily functions (e.g., malabsorption created by bariatric surgery s ...
, written near the year 1000 by
Abu al-Qasim al-Zahrawi (Abulcasis). It is available in translation.
The took al-Zahrawi over 50 years to complete. It contains information about a wide variety of illnesses, injuries, medical conditions, treatments, and surgical procedures. It describes over 200 different surgical instruments. Surgeons continued to rely on the well into the 1700s.
Summary
The work covers a broad range of medical topics, including on
surgery
Surgery is a medical specialty that uses manual and instrumental techniques to diagnose or treat pathological conditions (e.g., trauma, disease, injury, malignancy), to alter bodily functions (e.g., malabsorption created by bariatric surgery s ...
,
medicine
Medicine is the science and Praxis (process), practice of caring for patients, managing the Medical diagnosis, diagnosis, prognosis, Preventive medicine, prevention, therapy, treatment, Palliative care, palliation of their injury or disease, ...
,
orthopaedics,
ophthalmology
Ophthalmology (, ) is the branch of medicine that deals with the diagnosis, treatment, and surgery of eye diseases and disorders.
An ophthalmologist is a physician who undergoes subspecialty training in medical and surgical eye care. Following a ...
,
pharmacology
Pharmacology is the science of drugs and medications, including a substance's origin, composition, pharmacokinetics, pharmacodynamics, therapeutic use, and toxicology. More specifically, it is the study of the interactions that occur betwee ...
,
nutrition
Nutrition is the biochemistry, biochemical and physiology, physiological process by which an organism uses food and water to support its life. The intake of these substances provides organisms with nutrients (divided into Macronutrient, macro- ...
,
dentistry
Dentistry, also known as dental medicine and oral medicine, is the branch of medicine focused on the Human tooth, teeth, gums, and Human mouth, mouth. It consists of the study, diagnosis, prevention, management, and treatment of diseases, dis ...
,
childbirth
Childbirth, also known as labour, parturition and delivery, is the completion of pregnancy, where one or more Fetus, fetuses exits the Womb, internal environment of the mother via vaginal delivery or caesarean section and becomes a newborn to ...
, and
pathology
Pathology is the study of disease. The word ''pathology'' also refers to the study of disease in general, incorporating a wide range of biology research fields and medical practices. However, when used in the context of modern medical treatme ...
. The last treatise and the most celebrated one is about surgery. Al-Zahrawi stated that he chose to discuss surgery in the last volume because surgery is the highest form of medicine, and one must not practice it until he becomes well-acquainted with all other branches of medicine.
''On Surgery and Instruments''

''On Surgery and Instruments'' is the 30th and last volume of . In it, al-Zahrawi draws diagrams of each tool used in different procedures to clarify how to carry out the steps of each treatment.
Al-Zahrawi claims that his knowledge comes from careful reading of previous medical texts as well as his own experience: “…whatever skill I have, I have derived for myself by my long reading of the books of the Ancients and my thirst to understand them until I extracted the knowledge of it from them. Then through the whole of my life I have adhered to experience and practice…I have made it accessible for you and rescued it from the abyss of prolixity”.
In the beginning of his book, al-Zahrawi states that the reason for writing this treatise was the degree of underdevelopment
surgery
Surgery is a medical specialty that uses manual and instrumental techniques to diagnose or treat pathological conditions (e.g., trauma, disease, injury, malignancy), to alter bodily functions (e.g., malabsorption created by bariatric surgery s ...
had reached in the Islamic world, and the low status it was held by the physicians at the time. Al-Zahrawi ascribed such decline to a lack of
anatomical
Anatomy () is the branch of morphology concerned with the study of the internal structure of organisms and their parts. Anatomy is a branch of natural science that deals with the structural organization of living things. It is an old scien ...
knowledge and a misunderstanding of the human
physiology
Physiology (; ) is the science, scientific study of function (biology), functions and mechanism (biology), mechanisms in a life, living system. As a branches of science, subdiscipline of biology, physiology focuses on how organisms, organ syst ...
.
Noting the importance of
anatomy
Anatomy () is the branch of morphology concerned with the study of the internal structure of organisms and their parts. Anatomy is a branch of natural science that deals with the structural organization of living things. It is an old scien ...
, he wrote:
Innovative surgical techniques discussed by al-Zahrawi in the volume include crushing bladder stones with a sort of
lithotrite he called "michaab", and using forceps for extracting a dead
fetus
A fetus or foetus (; : fetuses, foetuses, rarely feti or foeti) is the unborn offspring of a viviparous animal that develops from an embryo. Following the embryonic development, embryonic stage, the fetal stage of development takes place. Pren ...
. The text also contains a number of innovations in dentistry, including using gold and silver wires to ligate loosened teeth, extracting and replanting teeth, and
scaling the
calculus
Calculus is the mathematics, mathematical study of continuous change, in the same way that geometry is the study of shape, and algebra is the study of generalizations of arithmetic operations.
Originally called infinitesimal calculus or "the ...
from the teeth to prevent
periodontal disease
Periodontal disease, also known as gum disease, is a set of inflammatory conditions affecting the tissues surrounding the teeth. In its early stage, called gingivitis, the gums become swollen and red and may bleed. It is considered the main c ...
.
Al-Zahrawi depicted over 200
surgical instruments, some of which he created himself.
Instruments in the ''al-Tasrif'' include different kinds of
scalpels,
retractors,
curettes,
pincers,
specula, and also instruments designed for his favoured techniques of
cauterization
Cauterization (or cauterisation, or cautery) is a medical practice or technique of burning a part of a body to remove or close off a part of it. It destroys some tissue in an attempt to mitigate bleeding and damage, remove an undesired growth, o ...
and
ligature Ligature may refer to:
Language
* Ligature (writing), a combination of two or more letters into a single symbol (typography and calligraphy)
* Ligature (grammar), a morpheme that links two words
Medicine
* Ligature (medicine), a piece of suture us ...
. He also invented hooks with a double tip for use in surgery.
Latin translation and legacy

The book was translated into
Latin
Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
in the 12th century by
Gerard of Cremona
Gerard of Cremona (Latin: ''Gerardus Cremonensis''; c. 1114 – 1187) was an Italians, Italian translator of scientific books from Arabic into Latin. He worked in Toledo, Spain, Toledo, Kingdom of Castile and obtained the Arabic books in the libr ...
. It soon found popularity in
Europe
Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...
and became a standard text in universities like those of
Salerno
Salerno (, ; ; ) is an ancient city and ''comune'' (municipality) in Campania, southwestern Italy, and is the capital of the namesake province, being the second largest city in the region by number of inhabitants, after Naples. It is located ...
and
Montpellier
Montpellier (; ) is a city in southern France near the Mediterranean Sea. One of the largest urban centres in the region of Occitania (administrative region), Occitania, Montpellier is the prefecture of the Departments of France, department of ...
. It remained the primary source on surgery in
Europe
Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...
for the next 500 years, and as the historian of medicine,
Arturo Castiglioni, has put it: al-Zahrawi's treatise "in surgery held the same authority as did the
Canon
Canon or Canons may refer to:
Arts and entertainment
* Canon (fiction), the material accepted as officially written by an author or an ascribed author
* Literary canon, an accepted body of works considered as high culture
** Western canon, th ...
of
Avicenna
Ibn Sina ( – 22 June 1037), commonly known in the West as Avicenna ( ), was a preeminent philosopher and physician of the Muslim world, flourishing during the Islamic Golden Age, serving in the courts of various Iranian peoples, Iranian ...
in medicine".
[Castiglioni, Arturo (1958). A history of medicine. A. A. Knopf. p. 274."Abulcasis (Alsaharavius or Abu'l-Qasim) (d. c. 1013) was the author of a surgical treatise which in surgery held the same authority as did the Canon of Avicenna in medicine."]
Manuscripts
* Patna Manuscripts Two manuscripts
are known from the archives of
Khuda Bakhsh Oriental Public Library in Patna (India). These copies date back to the early 18th century CE.
See also
*
Islamic medicine
In the history of medicine, "Islamic medicine", also known as "Arabian medicine" is the science of medicine developed in the Middle East, and usually written in Arabic, the ''lingua franca'' of Islamic civilization.
Islamic medicine adopted, s ...
References
External links
Al-Tasrif- islamset.com
*Sami Hamarneh
Drawings and Pharmacy in Al-Zahrawi's 10th-Century Surgical Treatise', in United States National Museum Bulletin No.228, 1961
{{DEFAULTSORT:Tasrif
Medical works of the medieval Islamic world
Scientific works of al-Andalus
10th-century Arabic-language books
1000 books
Encyclopedias in Arabic
Encyclopedias of medicine