. Manual of antenatal pathology and hygiene : the foetus. ot arranged in rows, and nobone formation takes place. The nose shows flattening, and at thebase of the cranium the formation of the os tribasilare takes place(premature ossification of the bones of the base, namely, pre-sphenoid,basi-sphenoid, and basi-occiput). At the present time the cause of the dystrophy which has beendescribed above is unknown. It may be guessed that the conditionswhich produce rickets in postnatal life are active in a modified formor in a different degree here, and that they arrest the formation of bonefrom carti
. Manual of antenatal pathology and hygiene : the foetus. ot arranged in rows, and nobone formation takes place. The nose shows flattening, and at thebase of the cranium the formation of the os tribasilare takes place(premature ossification of the bones of the base, namely, pre-sphenoid,basi-sphenoid, and basi-occiput). At the present time the cause of the dystrophy which has beendescribed above is unknown. It may be guessed that the conditionswhich produce rickets in postnatal life are active in a modified formor in a different degree here, and that they arrest the formation of bonefrom cartilage, while they allow the proliferation of the cartilage itself. FCETAL BONE DISEASE 347 Foetal Bone Disease (Type D). Under the heading of Type D, I group most of the recorded casesof achondroplasia and chondrodystrophia foe talis hypoplastica. Thisdisease does not prove incompatible with postnatal life; consequentlythere are several well-recorded instances of adult achondroplasia, asit is often called. I have, however, to deal here with the malady as.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectfetus, bookyear1902
