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Saturday, December 03, 2022

A Quebecer retrieves the oldest dissection known to mankind

A Quebecer retrieves the oldest dissection known to mankind

After unveiling the oldest work of rock art, Quebec archaeologist Maxime Aubert did it again: together with his team, he told the world what would be the oldest known traces of an advanced medical procedure, performed by a “surgeon”. Gaya is an exceptionally dissected Stone Age … 31,000 years ago.

It all started in 2020 with the discovery of the skeleton of a hunter-gatherer in a tomb at the site of Liang Tebo, a remote limestone cave located in the middle of the jungle in the Indonesian part of the island of Borneo in Asia. Southeast.



Courtesy Tim Maloney

Scientists quickly noticed that this man, who must have been about 18 or 19 years old at the time of his death, was missing one leg and the lower part of one leg.



Courtesy Tim Maloney

The presence of signs of bone growth and healing established that he was probably amputated during his childhood, six to nine years before his death.



manners

A startling discovery, as it shows that the child not only survived an operation that could – or should have been – fatal to him, but that he lived for many years despite his low mobility and inhospitable terrain. lived till



Courtesy Vera Plantert

,[Les membres de son peuple] Amputation of this part of the leg is believed to have been necessary for the individual to survive, but it also required that they have the anatomical knowledge to navigate the blood vessels”, wonders Lewisian of the original Maxim Aubert, who co- Directed research project.



Courtesy Tim Maloney

For example, preventing blood loss or preventing infection requires detailed knowledge. A surgical procedure of this nature requires intensive postoperative care, including frequent cleaning of the wound.

“Perhaps they found anesthetic, antibacterial, anti-inflammatory plants,” says the archaeologist and geochemist, a former resident of Laval University in Australia for many years, where he is a professor at Griffith University.



Courtesy Tim Maloney

“Amputation as a punishment is considered unlikely, especially after amputation and given the careful treatment received by the individual in life [son] Burial,” says scientific article published in the journal Nature,



Courtesy Tim Maloney

The second surprise came from the laboratory analysis in which the date of death was specified: 31,000 years ago, before the agricultural revolution and the invention of writing.



Courtesy Jose Garcia

According to the study, the discovery challenges our understanding of the beginnings of medicine, because the earliest previous indications of a surgical procedure – a Neolithic French farmer with his left hand amputated – are only 7,000 years old.



Courtesy Tim Maloney

“Something really special happened” in Borneo at the time, Mr. Aubert says, referring to the caves covered with sophisticated paintings and the maritime knowledge of these peoples located in the same area.


The skeleton of this prehistoric patient was discovered in a remote limestone cave in the middle of the jungle in the Indonesian part of the island of Borneo in Southeast Asia.

Courtesy Tim Maloney

The skeleton of this prehistoric patient was discovered in a remote limestone cave in the middle of the jungle in the Indonesian part of the island of Borneo in Southeast Asia.

It’s another feat of arms for Quebeckar, whose team in 2019 identified the oldest known cave painting, a fresco with half-man, half-animal characters discovered on the neighboring island of Sulawesi and dating back 44,000 years is old.

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