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.
What is a Gerontologist. Gerontologists are health care professionals who specialize in the field of aging related dimensions of change over the lifespan. They provide their services to people in universities, hospitals, nursing homes, senior citizen centers, and the community. There are several different types of gerontologists.