These 10 animal facts will amaze you. A zygote is a single cell which has formed as the result of the merging of an egg cell and a sperm cell. In other words, it's a fertilized egg, with the potential to develop into a living organism.
A Gastroenterologist is a physician with dedicated training and unique experience in the management of diseases of the gastrointestinal tract and liver. What is Gastroenterology? Gastroenterology is the study of the normal function and diseases of the esophagus, stomach, small intestine, colon and rectum, pancreas, gallbladder, bile ducts and liver.
An EGD procedure is usually performed by a gastroenterologist, who is a physician specializing in the diagnosis and treatment of disorders of the digestive tract. GI (gastrointestinal) assistants, operating room nurses, or technicians may be involved in the collection of samples and care of the patient.