Medical Terminology Daily (MTD) is a blog prepared by Clinical Anatomy Associates, Inc. as a service to the medical community, medical students, and the medical industry. We will post a workweek daily medical or surgical term, its 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

Johannes Veslingius in the front page of Syntagma Anatomicum. Image courtesy of the National Library of Medicine 
Johannes Veslingius Mindanus 
(1598 – 1649).

German surgeon, anatomist, botanist, and pharmacologist. Johann Vesling (mostly known by his Latinized name “Johannes Veslingius”) was born in a catholic family in Minden, Westphalia. He studied medicine in Leyden and Bologna. He later moved to the Venice medical college, where he became a professor of Anatomy in 1627. Veslingius had an interest in botany, which he pursued his whole life. Although German-born, Veslingius did most of his work and career in Italy. 

In 1628 he traveled to Egypt and Jerusalem as a personal physician of Alvise Cornaro, the Venetian consul in Cairo. In 1632 he became a professor of anatomy and surgery at the University of Padua, in Italy, forcing his return from Jerusalem. At Padua, Veslingius became part of the long list of anatomists that followed Andreas Vesalius’ position.

Veslingius was the first to describe the arterial circle of the brain, eponymically tied today to Thomas Willis, and he was the first to name the soleus muscle, as it resembles the sole fish. In his words: “soleus, a figura piscis denominatus” translated “soleus, named for its fish shape”. Apparently, he was also the first to describe the pancreatic duct which lead to controversy with Wirsung. Veslingius was also the first to describe the four pulmonary veins, described as four of the great vessels.

Veslingius published his most important work, “Syntagma Anatomicum, publicis dissectionibus in auditorum usum diligenter aptatum”, in 1641. This work, which originally had no images, was republished in 1647 with full images in copper plates. This original work is important as it leaves the Vesalian tradition of posing the anatomical images with backgrounds and landscapes, dedicating the image solely to the anatomical information; in fact this is the first book to publish original images not copied or inspired from Vesalius’ Fabrica.  This book was the first to influence Japanese anatomy.

Incredibly, Veslingius was accused of murdering Johan Georg Wirsung (1589 - 1643) with whom he had academic conflicts. Veslingius was acquitted of the accusation, and the name of Wirsung is today eponymously attached to the pancreatic duct.

The accompanying image is from the “Syntagma Anatomicum” and shows Veslingius with the following Latin words around him: “Ioannes Veslingius Mindanus Eques Hieros In Patauino Gymnasio Anatom. et Phar. Profess. Primarius” translated as: Johannes Veslingius Mindanus, Knight of Jerusalem, Primary Professor of Anatomy and Pharmacology of the School of Padua.

Below the image you can read: “Talis Apollinea floret Veslingius Arte. Purpureus nives pectore fulget Honor”, translated as:  Veslingius flourishes by the art of Apollo who honors him by shining purple snow on his chest. Click on the image for a larger depiction and to see the Latin text.

Personal note: I am proud to have in my library catalog one of Veslingius’ original prints: “Tavole Anatomiche del Veslingio – Spiegate in Lingua Italiana” (Anatomical images from Veslingius, written in Italian), published in 1745 by Giovanni Battista Conzatti. Dr. Miranda

Original image  courtesy of NLM

Sources:
1. “The Fabric of the Body. European Tradition of Anatomical Illustration” Roberts KB, Tomlinson JDW (1992) Oxford: Clarendon.
2. “The evolution of anatomical illustration and wax modelling in Italy from the 16th to early 19th centuries” Riva, A. et al. J. Anat. (2010) 216, 209–222
3. “The Anatomical School of Padua” Porzionato, A. et al. Anat Rec (Hoboken). 2012 Jun; 295(6):902-16
4. “The Origin of Medical Terms” Skinner, HA. 1970 
5. "Johann Vesling (1598–1649):Seventeenth Century Anatomist of Padua and His Syntagma Anatomicum" SK Ghosh J Clin Anat 2014 Soon-to-be published


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Corona Mortis

Important for inguinal hernia anatomy and surgery, this term is Latin from [corona] meaning "crown' and [mortis] meaning "death'; the "crown or circle of death". The corona mortis (blue arrow) refers to an anatomical variation1, a vascular anastomosis between the obturator and the external iliac vascular systems that passes over Cooper's pectineal ligament and posterior to the lacunar (Gimbernat's) ligament. 

In some cases, the corona mortis is the actual obturator artery that arises from the inferior epigastric artery instead of the internal iliac artery. It can also arise from the external iliac artery. In both cases, it has been called an "aberrant obturator artery". This could be a misnomer, as this anatomical variation can be present in up to 25% of the cases. When present, the corona mortis  can be injured when a surgeon looks to enlarge the femoral ring by opening the lacunar ligament. This vascular structure could even be endangered in a laparoscopic procedure for inguinal of femoral hernia repair and a staple or tack is driven blindly into the pectineal (Cooper's) ligament.

Corona Mortis (A)Image property of: CAA.Inc.Artist: M. Zuptich

Berberoglu states that "although these tiny anastomoses... have been described in classical anatomy textbooks, these texts neglect to mention that theses anastomoses can be life-threatening".

In some rare cases, the corona mortis (aberrant obturator) artery coexists with the normal obturator artery.  Although called a [corona], this anatomical structure is an incomplete circle. In the image, the [corona mortis] is labeled "A".

Sources:
1. Rusu et al: "Anatomical considerations on the corona mortis" Surg Radiol Anat (2010) 32:17–24
2. Berberoglu et al: "An anatomic study in seven cadavers and an endoscopic study in 28 patients" Surg Endosc (2001) 15:72-75