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A textbook of obstetrics . m, vertebra, and / loth/mr, a slipping ut or down. A XOMA I. IKS IX THE FORCES 01 LABOR. 46 I body of the last lumbar vertebra the interarticular segment of the spinal arch and the pedicles are enormously lengthened frombehind forward and are bent at an angle downward (Fig. 327).After a time this segment may exhibit a transverse fracture or asolution of continuity from pressure and attrition. The deform-ity is always gradual in development. If it begin during thechild-bearing period, successive labors become increasingly diffi-cult. As the vertebra descends, it pushe
A textbook of obstetrics . m, vertebra, and / loth/mr, a slipping ut or down. A XOMA I. IKS IX THE FORCES 01 LABOR. 46 I body of the last lumbar vertebra the interarticular segment of the spinal arch and the pedicles are enormously lengthened frombehind forward and are bent at an angle downward (Fig. 327).After a time this segment may exhibit a transverse fracture or asolution of continuity from pressure and attrition. The deform-ity is always gradual in development. If it begin during thechild-bearing period, successive labors become increasingly diffi-cult. As the vertebra descends, it pushes the sacrum backward.
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Keywords: ., bookcentury1800, bookdecade1890, bookidtex, booksubjectobstetrics