Sponsors   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

Self-portrait, Henry Vandyke Carter, MD (Public Domain) 
Henry Vandyke Carter, MD 
(1831 – 1897)

English physician, surgeon, medical artist, and a pioneer in leprosy and mycetoma studies.  HV Carter was born in Yorkshire in 1831. He was the son of Henry Barlow Carter, a well-known artist and it is possible that he honed his natural talents with his father. His mother picked his middle name after a famous painter, Anthony Van Dyck. This is probably why his name is sometimes shown as Henry Van Dyke Carter, although the most common presentation of his middle name is Vandyke.

Having problems to finance his medical studies, HV Carter trained as an apothecary and later as an anatomical demonstrator at St. George’s Hospital in London, where he met Henry Gray (1872-1861), who was at the time the anatomical lecturer. Having seen the quality of HV Carter’s drawings, Henry Gray teamed with him to produce one of the most popular and longer-lived anatomy books in history: “Gray’s Anatomy”, which was first published in late 1857.  The book itself, about which many papers have been written, was immediately accepted and praised because of the clarity of the text as well as the incredible drawings of Henry Vandyke Carter.

While working on the book’s drawings, HV Carter continued his studies and received his MD in 1856.

In spite of initially being offered a co-authorship of the book, Dr. Carter was relegated to the position of illustrator by Henry Gray and never saw the royalties that the book could have generated for him. For all his work and dedication, Dr. Carter only received a one-time payment of 150 pounds. Dr.  Carter never worked again with Gray, who died of smallpox only a few years later.

Frustrated, Dr. Carter took the exams for the India Medical Service.  In 1858 he joined as an Assistant Surgeon and later became a professor of anatomy and physiology. Even later he served as a Civil Surgeon. During his tenure with the India Medical Service he attained the ranks of Surgeon, Surgeon-Major, Surgeon-Lieutenant-Colonel, and Brigade-Surgeon.

Dr. Carter dedicated the rest of his life to the study of leprosy, and other ailments typical of India at that time. He held several important offices, including that of Dean of the Medical School of the University of Bombay. In 1890, after his retirement, he was appointed Honorary Physician to the Queen.

Dr. Henry Vandyke Carter died of tuberculosis in 1897.

Personal note: Had history been different, this famous book would have been called “Gray and Carter’s Anatomy” and Dr. Carter never gone to India. His legacy is still seen in the images of the thousands of copies of “Gray’s Anatomy” throughout the world and the many reproductions of his work available on the Internet. We are proud to use some of his images in this blog. The image accompanying this article is a self-portrait of Dr. Carter. Click on the image for a larger depiction. Dr. Miranda

Sources:
1. “Obituary: Henry Vandyke Carter” Br Med J (1897);1:1256-7
2. “The Anatomist: A True Story of ‘Gray’s Anatomy” Hayes W. (2007) USA: Ballantine
3. “A Glimpse of Our Past: Henry Gray’s Anatomy” Pearce, JMS. J Clin Anat (2009) 22:291–295
4. “Henry Gray and Henry Vandyke Carter: Creators of a famous textbook” Roberts S. J Med Biogr (2000) 8:206–212.
5. “Henry Vandyke Carter and his meritorious works in India” Tappa, DM et al. Indian J Dermatol Venereol Leprol (2011) 77:101-3

 


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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