After evoking much surprise and polite skepticism from anatomists worldwide, a 1995 discovery of a previously unknown connective neck tissue by researchers at the University of Maryland, Baltimore has made Gray¡¯s Anatomy, at last.
The latest Gray's Anatomy, its 150th anniversary edition, is known worldwide as an essential reference for medical students, and, health care professionals.
Delayed tribute for a new discovery is understandable in a field where anatomists have been rigorously studying the human body for more than 500 years, said co-discoverer Gary Hack, DDS, associate professor at the University of Maryland Dental School.
Hack and his colleagues found the ¡®new¡¯ muscle-dura connective tissue while using an unusual dissecting approach to examine head and neck muscles in cadavers. They supported their discovery through digital cadaver images from the National Institutes of Health¡¯s (NIH) Visible Human Project. The newly discovered tissue connects a deep neck muscle to a highly sensitive covering called the dura that covers the brain and spinal cord.
The researchers suggest that their finding may help explain the relationship between muscle tension and headaches. They speculate that the connection may transmit pressure from the neck muscles to the pain-sensitive dura and possibly lead to certain headaches. Gray¡¯s states, ¡°There is usually a soft-tissue attachment to the posterior atlanto-occipital membrane, which itself is firmly attached to the spinal dura in the same area.¡±
Shortly after their discovery¦¡as if surprising the world¡¯s anatomists once was not enough¦¡Hack and his colleagues, while studying muscles that affect chewing, also uncovered a jaw muscle that had never been described as separate and distinct from the many other jaw muscles. Hack thinks the ¡®new¡¯ muscle had been observed many times before, but was thought to be part of known chewing muscles. The new muscle, called sphenomandibularis, may be a fifth chewing muscle.
The muscle has not yet appeared in Gray¡¯s Anatomy. But after a similar chorus of skepticism in some medical journals, the 1 ¨ö inch long muscle has gotten its share of props. Sphenomandibularis is described in the Textbook of Head and Neck Anatomy, one of the leading medical textbooks. It has been recognized by the 1998 Medical and Health Annual of the Encyclopaedia Britannica, the book Staging Anatomies:Dissection and Spectacle in Early Stuart Tragedy by Hillary Nunn, in a poem called Claudia Gary Annis, and in articles in The New York Times and Discovery. The muscle was also a clue on the TV show, Jeopardy: ¡°In 1996 Gary Hack discovered the sphenomandibularis...which is one of these.¡± The correct answer: ¡°What is a muscle?¡±
Hack¡¯s team included Baltimore orthodontist Gwendolyn Dunn, DDS; Mi Young Toh, MS, MA, a biomedical imaging researcher at the national Library of Medicine; neurosurgeon Walker Robinson, MD; and Richard Koritzer, DDS, MLA, PhD, an adjunct research associate at the Dental School.
Hot cars can hit deadly temperatures in as little as one hour
24.05.2018 | Arizona State University
3D images of cancer cells in the body: Medical physicists from Halle present new method
16.05.2018 | Martin-Luther-Universität Halle-Wittenberg
The more electronics steer, accelerate and brake cars, the more important it is to protect them against cyber-attacks. That is why 15 partners from industry and academia will work together over the next three years on new approaches to IT security in self-driving cars. The joint project goes by the name Security For Connected, Autonomous Cars (SecForCARs) and has funding of €7.2 million from the German Federal Ministry of Education and Research. Infineon is leading the project.
Vehicles already offer diverse communication interfaces and more and more automated functions, such as distance and lane-keeping assist systems. At the same...
A research team led by physicists at the Technical University of Munich (TUM) has developed molecular nanoswitches that can be toggled between two structurally different states using an applied voltage. They can serve as the basis for a pioneering class of devices that could replace silicon-based components with organic molecules.
The development of new electronic technologies drives the incessant reduction of functional component sizes. In the context of an international collaborative...
At the LASYS 2018, from June 5th to 7th, the Laser Zentrum Hannover e.V. (LZH) will be showcasing processes for the laser material processing of tomorrow in hall 4 at stand 4E75. With blown bomb shells the LZH will present first results of a research project on civil security.
At this year's LASYS, the LZH will exhibit light-based processes such as cutting, welding, ablation and structuring as well as additive manufacturing for...
There are videos on the internet that can make one marvel at technology. For example, a smartphone is casually bent around the arm or a thin-film display is rolled in all directions and with almost every diameter. From the user's point of view, this looks fantastic. From a professional point of view, however, the question arises: Is that already possible?
At Display Week 2018, scientists from the Fraunhofer Institute for Applied Polymer Research IAP will be demonstrating today’s technological possibilities and...
So-called quantum many-body scars allow quantum systems to stay out of equilibrium much longer, explaining experiment | Study published in Nature Physics
Recently, researchers from Harvard and MIT succeeded in trapping a record 53 atoms and individually controlling their quantum state, realizing what is called a...
25.05.2018 | Event News
02.05.2018 | Event News
13.04.2018 | Event News
25.05.2018 | Event News
25.05.2018 | Machine Engineering
25.05.2018 | Life Sciences