Splanchnology refers to the study of the internal organs of the body. There are several synonyms for this term, including visceral anatomy, gastroenterology, and organology. Visceral anatomy focuses on the study of the organs located in the abdominal cavity, while gastroenterology is the study of the digestive system. Organology, on the other hand, focuses on the organs individually and as a system. Other related terms include visceral medicine, splanchnicology, and splanchnography. Understanding the functions and structures of the internal organs is crucial in diagnosing and treating various medical conditions. Therefore, the study of splanchnology is essential in the field of medicine.