/ Design Patterns. In software engineering, creational design patterns are design patterns that deal with object creation mechanisms, trying to create objects in a manner suitable to the situation. The basic form of object creation could result in design problems or added complexity to the design.
1 Gastroenterologist-specializes in diseases of the digestive system. 2  Geriatrician (Geriatric Medicine) - general practice physician who specializes in caring for older adults. 3  Hematologist-a hematologist specializes in diseases of the blood and bone marrow. 4  Hepatologist-specializes in diseases of the liver.
physician. an authorized practitioner of medicine, as one graduated from a college of medicine or osteopathy and licensed by the appropriate board; see also doctor.attending physician one who attends a hospital at stated times to visit the patients and give directions as to their treatment.mergency physician a specialist in emergency medicine. family physician a medical specialist who plans and provides the comprehensive primary health care of all members of a family, regardless of age or sex, on a continuous basis. See also family practice.