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Macrostomia

Greatly exaggerated width of the mouth, resulting from failure of union of the maxillary and mandibular processes, with extension of the oral orifice toward the ear. The defect may be unilateral or bilateral. (Dorland, 27th ed)

Year introduced: 1965

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Subheadings:

Tree Number(s): C07.465.525.480, C07.650.525.480, C16.131.850.525.480

MeSH Unique ID: D008265

Entry Terms:

  • Macrostomias

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