Final answer:
The small bony eminence at the median line of the chin is called the Mental Protuberance, a forward projection at the inferior margin of the anterior mandible that forms the chin.
Step-by-step explanation:
The small bony eminence at the median line of the chin is known as the Mental Protuberance. This anatomical landmark is the forward projection from the inferior margin of the anterior mandible that forms the chin, which is the part of the jaw that sits below the lower lip (mental refers to the chin area). Correct identification of bony landmarks is crucial for understanding human anatomy, which includes things like the mental foramen and the mental eminence. The mental foramen is an opening located on the anterior-lateral side of the mandibular body, where a sensory nerve exits to supply the chin.