Background: The yellow ligament of the chin or chin fat pad is poorly described in anatomic publications, is a morphological structure not very well known, but constant, its relevance in facial physiognomy is currently recognized. its anatomy, histology and function. a change of terminology is proposed according to the anatomical terminology.

Methods: The study observational of the population consisted of the 10 patiens who were going to perform procedures in the chin. A bibliographic review of the yellow ligament of the chin was carried out.

Results: The yellow ligament of the chin is an constant anatomical structure described in the various anatomy texts and journal articles that were evaluated, of the 10 patients observed clinically in trans-surgical procedures on the mental region, the yellow ligament of the chin was present clinically in 8 patients.

Conclusions: Based on the anatomy, location and histology of the yellow ligament of the chin, and to the descriptions of the yellow ligamments to chin this must be recognized is part of the retaining ligaments of the face, a new terminology is proposed for said ligament, septum dermis osseum menti (osteocutaneous mentalis septum, in english).