trepans

doctors often use trepans in neurosurgery.

he learned to operate trepans during his medical training.

trepans can be essential for accessing the brain.

using trepans requires a high level of precision.

she explained how trepans are used in various procedures.

in ancient times, trepans were used for medical practices.

learning about trepans was fascinating for the students.

he was skilled at using trepans for delicate operations.

trepans have evolved significantly over the years.

she demonstrated how to sterilize trepans before use.