As used in this article, the term:

(1) "Board" or "Board of Medical Examiners" means the Composite State Board of Medical Examiners.

(2) "Internship" or any other similar term includes a clinical training program which is defined and approved by the board as a substitute for an internship.

(2.1) "Physician" means a person licensed to practice medicine under this article.

(3) "To practice medicine" means to hold oneself out to the public as being engaged in the diagnosis or treatment of disease, defects, or injuries of human beings; or the suggestion, recommendation, or prescribing of any form of treatment for the intended palliation, relief, or cure of any physical, mental, or functional ailment or defect of any person with the intention of receiving therefor, either directly or indirectly, any fee, gift, or compensation whatsoever; or the maintenance of an office for the reception, examination, and treatment of persons suffering from disease, defect, or injury of body or mind; or attaching the title "M.D.," "Oph.," "D.," "Dop.," "Surgeon," "Doctor," "D.O.," "Doctor of Osteopathy," either alone or in connection with other words, or any other words or abbreviations to one's name, indicating that such person is engaged in the treatment or diagnosis of disease, defects, or injuries to human beings, provided that the terms "doctors of medicine," "doctors of medicine licensed to practice in the state," and similar terms wherever used or appearing in this article or elsewhere shall mean and include only those persons who are licensed to practice medicine under this article.