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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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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![Coronary Arteries. The [*] indicates the left coronary artery](/images/MTD/LargeImages/coronaryarterieslabels_lg.jpg "Coronary Arteries. The [*] indicates the left coronary artery")
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UPDATED: The [anterior interventricular artery] is one of the two branches of the left coronary artery, the other one being the circumflex artery (CFX). Although the name "anterior interventricular artery" is the anatomical name, this artery is most commonly known by its clinical name, the [left anterior descending artery], or LAD.
The LAD lies deep to the epicardium in the subepicardial fatty layer. It gives off several important branches, including one or two (sometimes three) large diagonal arteries that provide blood supply to the anterior aspect of the left ventricle. Also of importance, the LAD provides several septal perforator arteries that provide blood supply to the anterior 2/3rds of the interventricular septum.
Because of the extensive arterial territory of the LAD, and its involvement with the left ventricle and the interventricular septum, the LAD is sometimes called by a non-clinical term: "the widow-maker".
There can be interesting anatomical variations in the coronary arteries of the heart. For a detail on these anatomical variations, click here. Heart and coronary artery anatomy is one of the many lecture topics presented by CAA, Inc
Image property of:CAA.Inc.. Artist:Victoria G. Ratcliffe
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UPDATED: The prefix [inter-] means "between". The root term [ventricul-] refers to a ventricle, from the Latin [ventriculus], meaning "little sac" or "little belly". The word [septum] is Latin, and means "wall", "division", or "partition". The plural form for [septum] is [septa].
There are two septa in the heart. The interatrial septum (see superior image, item "E") is found between the atria, and the interventricular septum (see superior image, item "D"). The interventricular septum has two components, the muscular interventricular septum, and a small, superiorly situated membranous septum. The interventricular septum is quite muscular as seen in both images. Click on each image for a larger picture.
The cardiac interventricular septum receives blood supply from branches of both the right and left coronary arteries. The anterior 2/3rds of the interventricular septum receive blood supply through anterior septal perforators that arise from the left anterior descending artery (LAD), a branch of the left coronary artery.
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The posterior 1/3rd of the interventricular septum receives blood supply by way of posterior septal perforators that arise from the posterior descending artery (PDA), a branch of the right coronary artery.
For a detail of the blood supply to the interventricular septum, click on the inferior image.
Superior image property of: CAA.Inc. Photographer: D.M. Klein.
Inferior image modified from "Slide Atlas of Cardiac Anatomy" (out of print): Library catalog.
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From Latin, meaning “opposite to”. This term has been used since the late 1700’s in English literature to denote “the lowest point”.
This term will be of interest as we study the anatomy of the aortic valve and aortic root.
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UPDATED: This word has a Greek origin from the term [ανεύρυσμα], composed of [ana] meaning "complete or throughout", and [eurus] meaning "wide", a "complete widening or dilation". It is used to refer to the dilation of an artery. Aneurysms can be formed in any artery, although they have some preferred sites. The most common aneurysms are found in the aorta, arterial circle of Willis, the root of the cerebral arteries, and internal carotid arteries.
Biomechanical studies suggest that once an aneurysm forms it will generally progress in its dilation until aneurysmal rupture. Because of turbulent flow within the aneurysm large clots are usually formed, which in turn can cause emboli.
The image shows an excised infrarenal abdominal aortic aneurysm (AAA). The two common iliac arteries can be seen. If you click on the image you will be able to see the same aneurysm opened through its posterior wall and the clot that was contained inside.
Since the definition of [aneurysm] is "a dilation of an artery", it is wrong to refer to the dilation of a vein as a "venous aneurysm. The proper term to refer to the dilation of a vein is [varix].
Image property of: CAA.Inc. Photographer: David M. Klein
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The [leg] is the anatomical region found between the knee joint superiorly and the ankle inferiorly. It contains two bones, the tibia and the fibula (os peroneus).
Since the Latin word [crus] means “pillar” or “leg”, the term [crural] is sometimes used to denote the leg region.
The wrong usage of the term [leg] to refer or denote all of the lower extremity is one of my pet peeves. There are many health care professionals who use this term wrongly and are therefore forced to use the terms “upper leg” to refer to the thigh, and “lower leg” to refer to the leg proper.
The posterior compartment of the leg contains the soleus and gastrocnemius muscles which cause a superficial elevation known as “the calf”. The Latin term [suram] means “calf”, so the term [sural] can be used to denote the posterior aspect of the leg.
The anterior aspect of the leg is marked by the bony anterior tibial crest or shin, a word that is sometimes wrongly used to mean “leg”.
Original image courtesy of Connexions (http://cnx.org) [CC-BY-3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons
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Although this article is called “How to Read Medical Terms”, a better title would have been “How to Translate Medical Words” because that is what we do, we translate terms which have multiple linguistic origins to vernacular English.
Medical words are not read as we normally read English, from left to right. Rather, they are read in an order related to their components, prefixes, root terms, suffixes, and combining vowels.
Let’s take as an example the word [preperitoneal], where the prefix is [pre-], the root term is [-periton-] and the suffix is [-eal]. Read in normal left to right English the word would translate as “anterior (aspect of) peritoneum pertaining to”, which does not sound correct.
The proper way is to read the suffix first, the prefix second, and the root term last. Thus, this translation would read as “pertaining to (the) anterior (aspect of) the peritoneum”. There are exceptions of course, but the rule presented here applies to most medical words.
In the absence of the prefix, the word is translated suffix first and root term second.
When a word contains combined root terms they are read in the way they are written, from left to right, as they will have already been placed in a proximal to distal relationship, otherwise the word would be wrongly constructed.
There are more nuances to Medical Terminology, but they go beyond the objectives of "Medical Terminology Daily". For a complete course on Medical Terminology for your company, contact CAA, Inc.
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