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.
Making the world better, one answer at a time. Ampullae are bulb-shaped structures located above the tube feet of starfish and other echinoderms. Ampullae are an important part of the water vascular system of starfish, which is the responsible for the animal's locomotion.he ampulla on a starfish is part of the water vascular system, and  stores water and sends it to tiny tube feet on the ventral side of  a starfish's arms. This process help â¦ s starfish move, as the water  vascular system is the part of the starfish responsible for  locomotion. JenHee. 4 Contributions.