Friedrich Wilhelm Zahn (14 February 1845 – 1904) was a German-Swiss

pathologist Pathology is the study of the causes and effects of disease or injury. 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 t ...

born in

Germersheim Germersheim () is a town in the German state of Rhineland-Palatinate, of around 20,000 inhabitants. It is also the seat of the Germersheim district. The neighboring towns and cities are Speyer, Landau, Philippsburg, Karlsruhe and Wörth. Coat ...

. His eponyms include Zahn infarct and

lines of Zahn Lines of Zahn are a characteristic of thrombi. They have layers, with lighter layers of platelets and fibrin, and darker layers of red blood cells. They are more present on thrombi formed with faster blood flow, more so on thrombi from the heart ...

Life

Zahn studied medicine at the

University of Strasbourg The University of Strasbourg (french: Université de Strasbourg, Unistra) is a public research university located in Strasbourg, Alsace, France, with over 52,000 students and 3,300 researchers. The French university traces its history to the ea ...

under

Friedrich Daniel von Recklinghausen Friedrich Daniel von Recklinghausen (; December 2, 1833 – August 26, 1910) was a German pathologist born in Gütersloh, Westphalia. He was the father of physiologist Heinrich von Recklinghausen (1867–1942). Early life Recklinghausen was bo ...

(1833–1910), becoming an associate professor of

pathological anatomy Anatomical pathology (''Commonwealth'') or Anatomic pathology (''U.S.'') is a medical specialty that is concerned with the diagnosis of disease based on the macroscopic, microscopic, biochemical, immunologic and molecular examination o ...

Geneva , neighboring_municipalities= Carouge, Chêne-Bougeries, Cologny, Lancy, Grand-Saconnex, Pregny-Chambésy, Vernier, Veyrier , website = https://www.geneve.ch/ Geneva ( ; french: Genève ) frp, Genèva ; german: link=no, Genf ; it, Ginevr ...

in 1876. Zahn published works on the

circulatory system The blood circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the entire body of a human or other vertebrate. It includes the cardiovascular system, or vascular system, tha ...

(blood,

thrombosis Thrombosis (from Ancient Greek "clotting") is the formation of a blood clot inside a blood vessel, obstructing the flow of blood through the circulatory system. When a blood vessel (a vein or an artery) is injured, the body uses platelets (t ...

embolism An embolism is the lodging of an embolus, a blockage-causing piece of material, inside a blood vessel. The embolus may be a blood clot (thrombus), a fat globule (fat embolism), a bubble of air or other gas ( gas embolism), amniotic fluid (am ...

, arterial disease, etc.) and on tumors. With Georg Albert Lücke (1829–1894), he published an influential treatise involving surgery of tumors, ''Chirurgie der Geschwülste''. Other noted writings by Zahn include: * ''Zur Lehre von der Entzündung und Eiterung. Mit besonderer Berücksichtigung der durch das Mikrosporon septicum hervorgerufenen Erscheinungen'', 1872 – The doctrine of

inflammation Inflammation (from la, inflammatio) is part of the complex biological response of body tissues to harmful stimuli, such as pathogens, damaged cells, or irritants, and is a protective response involving immune cells, blood vessels, and molec ...

and

suppuration Pus is an exudate, typically white-yellow, yellow, or yellow-brown, formed at the site of inflammation during bacterial or fungal infection. An accumulation of pus in an enclosed tissue space is known as an abscess, whereas a visible collection ...

. * ''Tumeur de la partie supérieure du fémur : désarticulation de la hanche'', (with

Jacques-Louis Reverdin Jaques-Louis Reverdin (28 August 1842 – 9 January 1929) was a Swiss surgeon who was a native of Cologny. He studied at the University of Paris, becoming an interne of hospitals in 1865. In 1869 he became an assistant to Jean Casimir Félix G ...

1842–1929), 1881 – Tumor of the upper part of the

femur The femur (; ), or thigh bone, is the proximal bone of the hindlimb in tetrapod vertebrates. The head of the femur articulates with the acetabulum in the pelvic bone forming the hip joint, while the distal part of the femur articulates wit ...

. * ''Beiträge zur Geschwulstlehre'' (six parts) – Contribution to the study of tumors.

References

;Bibliography * * * * 1845 births 1904 deaths German pathologists University of Strasbourg alumni Academic staff of the University of Geneva People from Germersheim Swiss pathologists {{Germany-med-bio-stub