- aplasia
- aplasia
单语范例（未经PONS编辑处理）
The cause for radial aplasia in unknown, but it widely believed to occur within the first ten weeks of gestation.
en.wikipedia.org It has (rarely) been associated with congenital defects, including aplasia cutis of the neonate but is not contra-indicated.
en.wikipedia.org As a result of aplasia, hypoplasia, or dysplasia of dental cementum, premature loss of deciduous teeth (i.e. before the age of 5) occurs.
en.wikipedia.org Radial aplasia also results in the thumb being either partly formed or completely absent from the hand.
en.wikipedia.org Dogs are often bred in unscientific ways leading to health problems like hip aplasia for labradors, breathing problems for pugs and so on.
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