Anesthesia, also known as anaesthesia, is a medical procedure that aims to render a patient unconscious, insensible to pain, and immobile during surgical or medical procedures.

Colonoscopy is a medical procedure used to examine the lining of the colon (large intestine) and rectum.

Electronics is the science and technology of studying, designing, and manufacturing devices that use the flow of electrons to perform electrical functions.

Endoscopy is a medical procedure that allows doctors to visualize and examine the inside of a patient's body using an instrument called an endoscope.

The liver is an organ in the human body located in the upper right abdomen.

A medical device is any instrument, apparatus, machine, implant, software or similar article that is used to diagnose, treat, monitor or prevent a disease or condition in humans.

Medical diagnosis is the process of determining which disease or condition explains a person's symptoms and signs.

Optical fiber is a transparent, flexible medium used for transmitting light signals over long distances.