Search results
Results from the WOW.Com Content Network
The oldest known surgical amputation was carried out in Borneo about 31,000 years ago. [10] The operation involved the removal of the distal third of the left lower leg. The person survived the operation and lived for another 6 to 9 years. This is the only known surgical amputation carried out before the Neolithic Revolution and its farming ...
The history of dental treatments dates back to thousands of years. [ 1 ] [ 2 ] The scope of this article is limited to the pre-1981 history . The earliest known example of dental caries manipulation is found in a Paleolithic man, dated between 14,160 and 13,820 BP . [ 3 ]
Timeline of Chinese history. This is a timeline of Chinese history, comprising important legal and territorial changes and political events in China and its dynasties. To read about the background to these events, see History of China. See also the list of Chinese monarchs, Chinese emperors family tree, dynasties of China and years in China.
Instructions for making astronomical instruments from the time of the Qing dynasty.. Ancient Chinese scientists and engineers made significant scientific innovations, findings and technological advances across various scientific disciplines including the natural sciences, engineering, medicine, military technology, mathematics, geology and astronomy.
The first known physician in China to describe the use anesthesia for patients undergoing surgery was the Eastern Han physician Hua Tuo (d. 208 AD), who utilized his knowledge of Chinese herbology based in the Huangdi neijing to create an ointment that healed surgical wounds within a month. [13]
The latter instrument, called a sheng and made traditionally of bamboo pipes, was first mentioned in the Shi Jing of the Zhou dynasty (c. 1050–256 BC). The Chinese sheng is considered the ancestor of the harmonica, harmonium, concertina, accordion, and all other reed organ instruments.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
The medicine can numb the area during the procedure and for a short time afterwards to help control post-surgery discomfort. The function of this instrument involves successfully piercing the surface of the periodontal ligament so the patient can be distributed the anesthesia. [2]