Nasolacrimal duct will not be formed with oblique facial cleft due to n on fusion of which of the following ridges?
Correct Answer: B to C
Description: Ans. B. B to Ca. B (failure of fusion of lateral nasal process to maxillary process)1/1000. Clefts may also occur between the lateral nasal process and the maxillary prominence (oblique cleft) exposing the nasolacrimal duct or between the maxillary and mandibular primordial (lateral clefts). Although extremely rare, clefts can also form along the midline of the two mandibular prominences (median mandibular cleft). As the facial prominences fuse, the opposing epithelium disintegrates. Remnants of these epithelial seams may result in cyst formation.
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Anatomy
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