A child has a unilateral notch of the upper lip (see image). What is the most likely etiology of this lip malformation? (A) Abnormal fusion of the maxillary and me- dial nasal processes (B) Altered development of the third and fourth branchial pouches (C) Flaws in the mandibular and maxillary bones (D) Incomplete development of the third pha- ryngeal arch
A child has a unilateral notch of the upper lip (see image). What is the most likely etiology of this lip malformation? (A) Abnormal fusion of the maxillary and me- dial nasal processes (B) Altered development of the third and fourth branchial pouches (C) Flaws in the mandibular and maxillary bones (D) Incomplete development of the third pha- ryngeal arch
Fundamentals of Sectional Anatomy: An Imaging Approach
2nd Edition
ISBN:9781133960867
Author:Denise L. Lazo
Publisher:Denise L. Lazo
Chapter3: Face
Section: Chapter Questions
Problem 15RQ
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Transcribed Image Text:A child has a unilateral notch of the upper lip
(see image). What is the most likely etiology of
this lip malformation?
(A) Abnormal fusion of the maxillary and me-
dial nasal processes
(B) Altered development of the third and
fourth branchial pouches
(C) Flaws in the mandibular and maxillary
bones
(D) Incomplete development of the third pha-
ryngeal arch
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