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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 

Martin Naboth, title page of De Sterelitate Mulierum 

Martin Naboth
(1675 – 1721)

Not much is known about this German physician and anatomist. He was born in 1675 in Calau, a town in Southern Brandenburg, Germany. He studied medicine at the University in Leipzig, receiving his doctorate in Philosophy in 1701 and his MD in 1703. Although his interests were based in chemistry, Naboth became an avid anatomist, with interest in the anatomy of the female reproductive system.

His main publication in 1707 was “De Sterilitate Mulierum” (On Sterility in Women). In this book he refers to small pearl-like transparent structures found in the uterine cervix. Believing that he had discovered the way women store eggs, he called these “ovarium novum” (new ovaries). His discovery was accepted by many and these structures came to be known as “Ovula Nabothii “. Only later were to understand these structures as cysts created by clogging of the opening of the glands found around the uterine cervix. These mucus-producing glands are known as the [cervical glands] and also as Nabothian glands. These cysts, which are common and do not represent a sign of cervical cancer, are known today as Nabothian cysts.

Naboth had only rediscovered these cysts first described in 1681 by Guillaume des Noues (1650 – 1735), although the eponym records Naboth’s name.

Naboth died in Leipzig in 1721 leaving a large anatomical collection. We have not been able to find an image of Naboth, so we are depicting the title page of his 1707 “De Sterilitate Mulierum”. If you click on the image you can see a larger depiction.

Sources
1. “Histoire de la M?decine, depuis son origine jusqu'au dix-neuvi?me si?cle” A. J. L. Jourdan ; E. F. M. Bosquillon  1815
2. “The Origin of Medical Terms” Skinner HA 1970 Hafner Publishing Co.


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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 from the anterior aspect. In this approach the "corona mortis" is not visible, as it is found immediately posterior to 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