Trepanning was used during the Prehistoric period to remove evil spirits that cause inner pain and diseases. Trepanning was also used in ancient Egypt and Greece
Its used in the compressors of refrigerators and air- conditioners
Crocoite is mainly used as a mineral specimen. It used to be used as a minor ore of chromium, but it is now too rare to be used for that.It is on wikipedia too
dilute ethanoic acid is used as a preservative in the preparation of pickles.it is used for making cellulose acetate which is an important artificial fibre.it is used in the manufacture of acetone and esters used in perfumes.it is used in the preparation of dyes.it is used to coaggulate rubber from latex.it is used for making white lead which is used as a white paint.it is used as a chemical reagent in chemistry lab.
evaporating is used in preparation of petrol, etc.
in what used lincomycin that is for what ?
intelligence yes up sky
Infections
The large opening at the base of the skull is called the foramen magnum. It allows the spinal cord to pass through and connect to the brain.
Ancient cave peoples treated Migraine with a procedure called Trepanning.
Trepanning
1. There is about a 70% chance of survival although the surgical operation didn't usually cause death but the infection afterwards 2. The process took roughly 30-60mins to complete 3. The tools commonly used in trepanning included a sharp knife, which is used to cut through the skin of the skull and made it possible to pull back the flaps, and a borer similar to a corkscrew. Surgeons also use brushes and files to tidy up the final area around the hole.
Skulls from primitive man have been found with holes bored in them for brain surgery (called trepanning)
Trepanning or trephining, in which the surgeon drilled a hole as large as 1-2 in diameter in the patient's skull without benefit of anesthesia.
Trepanning which is when a barber or doctor drills a hole in your head to let out the bad spirits. It obviously didn't work and they usually died.
One of the most ancient ways to treat or cure headache is called trepanning in which a hole is cut into the skull.
An anthropologist might infer that someone did not die from successful brain surgery by examining skeletal remains for evidence of healed incisions or drilling marks on the skull. Absence of trauma to the cranium or signs of infection in the bone could also indicate that the surgery was successful. Additional evidence from historical records or medical texts could provide context to support this conclusion.
During the Dark Ages, medical practices were influenced by superstition and a lack of scientific understanding. Bloodletting, using leeches to remove blood, was a common treatment for various illnesses. Herbal remedies, such as the use of plants and botanicals, were prevalent. Surgery was performed, but without anesthesia or proper sterilization, making it a risky and painful procedure.