Rogerius (before 1140 – c. 1195), also called Rogerius Salernitanus, Roger Frugard, Roger Frugardi, Roggerio Frugardo, Rüdiger Frutgard and Roggerio dei Frugardi, was a Salernitan surgeon who wrote a work on medicine entitled ''Practica Chirurgiae'' ("The Practice of Surgery") around 1180 (sometimes dated earlier to 1170; sometimes later, to 1230). It is also called ''Chirurgiae Magistri Rogerii'' ("The Surgery of Master Rogerius"). Rogerius' work is clear, brief, and practical, it is also unburdened with long citations derived from other medical authorities. The work, arranged anatomically and presented according to a

pathologic ''Pathologic'' ( rus, Мор. Утопия, Mor. Utopiya, ˈmor ʊˈtopʲɪjə, , More. Utopia – a pun on Thomas More's ''Utopia'' and the Russian word for "plague") is a 2005 role-playing and survival game developed by Russian studio Ice-Pic ...

- traumatological systematization, includes a brief recommended treatment for each affliction. Rogerius was an independent observer and was the first to use the term lupus to describe the classic malar rash. He recommended a dressing of egg-

albumen Egg white is the clear liquid (also called the albumen or the glair/glaire) contained within an egg. In chickens it is formed from the layers of secretions of the anterior section of the hen's oviduct during the passage of the egg. It forms aro ...

for wounds of the neck, and did not believe that

nerves A nerve is an enclosed, cable-like bundle of nerve fibers (called axons) in the peripheral nervous system. A nerve transmits electrical impulses. It is the basic unit of the peripheral nervous system. A nerve provides a common pathway for the e ...

, when severed, could be regenerated (''consolidari''), though he thought they may undoubtedly be reunited (''conglutinari'').
Rogerius' work was the first medieval text on surgery to dominate its field in all of Europe, and it was used in the new universities in

Bologna Bologna (, , ; egl, label=Emilian language, Emilian, Bulåggna ; lat, Bononia) is the capital and largest city of the Emilia-Romagna region in Northern Italy. It is the seventh most populous city in Italy with about 400,000 inhabitants and 1 ...

and Montpellier. Rogerius' work was kept relevant by the new edition (1250) made by his pupil Rolando da Parma, a professor at Bologna.

Glosses A gloss is a brief notation, especially a marginal one or an interlinear one, of the meaning of a word or wording in a text. It may be in the language of the text or in the reader's language if that is different. A collection of glosses is a ''g ...

later added include ''Additiones'', ''Chirurgia Rolandina'', ''First Salernitan Gloss'', ''Roger Marginalia of Erfurt'', ''Four Masters Gloss'', ''Therapeutic Roger Gloss'', ''Chirurgia Jamati'' and the widely extended

Middle High German Middle High German (MHG; german: Mittelhochdeutsch (Mhd.)) is the term for the form of German spoken in the High Middle Ages. It is conventionally dated between 1050 and 1350, developing from Old High German and into Early New High German. Hig ...

''Roger Complex''. Many of these manuscripts include lavish illustrations detailing medical treatment. Rogerius' work maintained the strong tradition of Salerno's medical school, in existence since the ninth century, which pioneered the study of

anatomy Anatomy () is the branch of biology concerned with the study of the 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 science, having it ...

and surgery. By the thirteenth century, many European towns were demanding that physicians have several years of study or training before they could practice. Surgery had a lower status than pure medicine, beginning as a craft tradition until Rogerius composed his treatise, which laid the foundation for the species of the occidental surgical manuals, influencing them up to modern times.

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