Congenital Abnormality
micrognathism
Subclass of:
Jaw Abnormalities
Definitions related to micrognathism:
  • (micrognathia) Developmental hypoplasia of the mandible.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • A congenital abnormality of the jaws (particularly the mandible) in which they are unusually small. This condition is not always pathological and may correct itself as the patient matures; however, it may also present as a birth defect in multiple syndromes.
    NCI
    U.S. National Cancer Institute, 2021
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