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Medical Terminology Daily (MTD) is a blog sponsored by Clinical Anatomy Associates, Inc. as a service to the medical community, medical students, and the medical industry. 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

Self-portrait, Henry Vandyke Carter, MD (Public Domain)
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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Ligament of Treitz


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The ligament of Treitz is formed by a fold of peritoneum over the suspensory muscle of the duodenum. This muscle is also known as the "muscle of Treitz" or "musculus suspensorius duodenii". This muscle was first described in 1853 by Dr. Václav Treitz. 

The muscle (see image #1) has an unusual structure in that it is formed by a tendon with two muscular ends  of dissimilar embryological origin and function. The superior muscular component is skeletal (voluntary) muscle and arises as a slip of muscle (Hilfsmuskel) from the right esophageal crus of the respiratory diaphragm, as well as muscular and ligamentous fibers arising in the region of origin of the celiac trunk and superior mesenteric artery. The inferior portion of the muscle is smooth (involuntary) muscle and has been described as continuous with both the longitudinal and circular muscle layer of the intestine at the duodenojejunal junction.

Anterior view of the duodenum and the suspensory muscle of the duodenum
Click on the image for a larger version
Original image by Dr. Václav Treitz
The ligament of Treitz is an anatomical landmark used by anatomists and surgeons to denote the duodenojejunal junction and the point where the small intestine passes from retroperitoneal duodenum to intraperitoneal jeunum. Surgeons use the ligament of Treitz to measure the jejunum to decide where to perform an anastomosis.Click on the gray bar below the image to see the original sketch published by Dr. Václav Treitz in his 1853 publication "Ueber einen neuen Muskel am Duodenum des Menschens" (On a new muscle in the duodenum of man). The 'muscle of Treitz" is marked by an arrow.

It is important to clarify that the term "ligament" in the abdominopelvic cavity has a different meaning and structure from a skeletal ligament found in a joint. For more information click here.

Clinical anatomy, pathology, and surgery of the gastrointestinal tract are some of the many lecture topics developed and delivered to the medical devices industry by Clinical Anatomy Associates, Inc.

Sources:
1.
"Clinically Oriented Anatomy" Moore, KL. 3r Ed. Williams & Wilkins 1992
2. "The origin of Medical Terms" Skinner, AH, 1970
3. "The suspensory muscle of the duodenum and its nerve supply" Jit, I.; Singh, S. J. Anat. (1977), 123, 2, pp. 397-405
4. "Anatomical and functional aspects of the human suspensory muscle of the duodenum." Costacurta, L. Acta Anat (Basel). 1972;82(1):34-46
Image property of: CAA.Inc. Artists: Dr. E. Miranda and D.M. Klein

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