Patients exhibiting the spectrum of cleft lip and palate Patients exhibiting the spectrum of cleft lip and palate. (a) Bilateral cleft lip and palate. (b) Unilateral cleft lip with cleft palate. (c) Unilateral cleft lip with alveolar notching. (d) Cleft palate. (e) Submucous (occult) cleft palate. Source: Multifactorial Inheritance and Gene × Environment Interactions, Medical Genetics: An Integrated Approach Citation: Schaefer G, Thompson, Jr. JN. Medical Genetics: An Integrated Approach; 2017 Available at: http://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/2247/schaefer_ch10_f008d-1.png&sec=173744862&BookID=2247&ChapterSecID=173744800&imagename= Accessed: November 04, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved