Medical Terminology Daily - Est. 2012

Medical Terminology Daily (MTD) is a blog sponsored by Clinical Anatomy Associates, Inc. as a service to the medical community. We post anatomical, medical or surgical terms, their meaning and usage, as well as biographical notes on anatomists, surgeons, and researchers through the ages. Be warned that some of the images used depict human anatomical specimens.

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A Moment in History

Georg Eduard Von Rindfleisch

Georg Eduard Von Rindfleisch
(1836 – 1908)

German pathologist and histologist of Bavarian nobility ancestry. Rindfleisch studied medicine in Würzburg, Berlin, and Heidelberg, earning his MD in 1859 with the thesis “De Vasorum Genesi” (on the generation of vessels) under the tutelage of Rudolf Virchow (1821 - 1902). He then continued as a assistant to Virchow in a newly founded institute in Berlin. He then moved to Breslau in 1861 as an assistant to Rudolf Heidenhain (1834–1897), becoming a professor of pathological anatomy. In 1865 he became full professor in Bonn and in 1874 in Würzburg, where a new pathological institute was built according to his design (completed in 1878), where he worked until his retirement in 1906.

He was the first to describe the inflammatory background of multiple sclerosis in 1863, when he noted that demyelinated lesions have in their center small vessels that are surrounded by a leukocyte inflammatory infiltrate.

After extensive investigations, he suspected an infectious origin of tuberculosis - even before Robert Koch's detection of the tuberculosis bacillus in 1892. Rindfleisch 's special achievement is the description of the morphologically conspicuous macrophages in typhoid inflammation. His distinction between myocardial infarction and myocarditis in 1890 is also of lasting importance.

Associated eponyms

"Rindfleisch's folds": Usually a single semilunar fold of the serous surface of the pericardium around the origin of the aorta. Also known as the plica semilunaris aortæ.

"Rindfleisch's cells": Historical (and obsolete) name for eosinophilic leukocytes.

Personal note: G. Rindfleisch’s book “Traité D' Histologie Pathologique” 2nd edition (1873) is now part of my library. This book was translated from German to French by Dr. Frédéric Gross (1844-1927) , Associate Professor of the Medicine Faculty in Nancy, France. The book is dedicated to Dr. Theodore Billroth (1829-1894), an important surgeon whose pioneering work on subtotal gastrectomies paved the way for today’s robotic bariatric surgery. Dr. Miranda.

Sources:
1. "Stedmans Medical Eponyms" Forbis, P.; Bartolucci, SL; 1998 Williams and Wilkins
2. "Rindfleisch, Georg Eduard von (bayerischer Adel?)" Deutsche Biographie
3. "The pathology of multiple sclerosis and its evolution" Lassmann H. (1999)  Philos Trans R Soc Lond B Biol Sci. 354 (1390): 1635–40.
4. “Traité D' Histologie Pathologique” G.E.
Rindfleisch 2nd Ed (1873) Ballieres et Fils. Paris, Translated by F Gross


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LAD= left anterior descending artery; lca=left conal artery; OM1= obtuse marginal artery 1; rca= right conal artery; acv=anterior coronary veins; RCA=right coronary artery 
Anterior view of the heart

 

The conal artery is the first anterior branch that arises from the right coronary artery. It can be double or multiple and it provides blood supply to the superior aspect of the conus arteriosus region (outflow tract) of the right ventricle. It is also known as the “conus artery”, and the “infundibular artery”. In about 50% of the cases the conal artery arises separately from the aorta, very close to the ostium of the right coronary artery. In this case the artery has been dubbed the “third coronary”.

In many cases, a secondary conal artery arises from the anterior interventricular (LAD) artery and is called the “left conal artery”. In some cases this left conal artery can be the only one present and there may be no “right” conal artery. When both conal arteries are present, in some cases and evident superficial anastomosis can be seen forming what is known as the “conal ring” or the “ring of Vieussens”, one of the few cases where there is actual collateral circulation between the right and the left coronary arteries.

Sources:
1. “The clinical anatomy of the conal artery” Loukas, M el al. J Clin Anat 2014 DOI: 10.1002/ca.22469
2. “The Clinical Anatomy of the Coronary Collateral Circulation: Loukas, M, et al J Clin Anat (2009) 22:146–160
3. “The Normal and Abnormal Anatomy of the Coronary Arteries” Loukas, M et al J Clin Anat (2009) 22:114–128
4 "Tratado de Anatomia Humana" Testut et Latarjet 8 Ed. 1931 Salvat Editores, Spain
5. "Anatomy of the Human Body" Henry Gray 1918. Philadelphia: Lea & Febiger
Image modified by CAA, Inc, Original image courtesy of bartleby.com