agnathia

名词 n.
中文释义
发音 ăg-nāʹthi-ə

英文释义

名词 n.
  1. A birth defect in which the mandible is missing. uncountable
    — 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.

词源

Derived from Ancient Greek ἀ- (a-, “without”) + γνάθος (gnáthos, “jaw”) + -ia.
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