Before Anesthesia. It is necessary to have an empty stomach before receiving general anesthesia. In most cases, patients are required to abstain from eating and drinking after midnight on the night before their scheduled surgery to reduce the chances of vomiting while under anesthesia. When a person is under general anesthesia, the body does not work normally.
Definition of AMPULLA OF LORENZINI. : any of the pores on the snouts of marine sharks and rays that contain receptors highly sensitive to weak electric fields.
The lancelets â also known as amphioxi (singular, amphioxus) consist of about 32 species of fish-like marine chordates in the order Amphioxiformes. They are distributed in shallow and coastal temperate (as far north as Norway), subtropical and tropical seas around the world, usually found half-buried in sand.