agnathia

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English

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Etymology

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Ancient Greek ἀ- (a-, without) + γνάθος (gnáthos, jaw) +‎ -ia.

Pronunciation

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  • enPR: ăg-nāʹthi-ə, IPA(key): /æɡˈneɪ.θi.ə/

Noun

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agnathia (uncountable)

  1. (pathology) A birth defect in which the mandible is missing.
    • 1831, William West, translation of Gabriel Andral, A Treatise on Pathological Anatomy, Hodges and Smith, volume 2, page 283:
      When there is agnathia, instead of the inferior maxillary bone we find nothing but a kind of tubercle formed of skin, cellular tissue, fat, and some few muscular fibres.
    • 1907, Francis Delafield and T. Mitchell Prudden, A Text-Book of Pathology, eighth edition, William Wood, page 304
      The lower jaw may be absent (agnathia).
    • 2006, Mark I. Evans et al., Prenatal Diagnosis, McGraw-Hill, →ISBN, page 240:
      As such, it is often accompanied by agnathia, a congenital absence of the mandible[…].
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Translations

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References

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