1. Gastroenterology: Medical specialty dealing with digestion and the digestive system.

2. Orthopedics ( or orthopedic surgery ): Medical specialty concerned with the skeleton and its associated structures.

3. Neurology: Medical specialty concerned with nervous system function and disorders.

4. Pathology: Medical specialty dealing with causes of disease and structural and functional changes in abnormal conditions.

5. Urology: Medical specialty dealing with the urinary system and male reproductive organs.

6. Otolaryngology ( or otorhinolaryngology ): Medical specialty dealing with the ear, nose, and throat ( see larynx, pharynx ).

7. Public health medicine and purchasing health care Public health medicine is a goal driven medical specialty.

8. The American College of Physicians ( ACP ) is the nation's largest medical specialty society.