A cleft lip is an abnormal opening in the middle of the upper lip. A cleft palate is an opening in the roof of the mouth (palate).
Review Date 6/23/2021
Updated by: Tang Ho, MD, Associate Professor, Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology – Head and Neck Surgery, The University of Texas Medical School at Houston, Houston, TX. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.