| asynclitism | Absence of synclitism or parallelism between the axis of the presenting part of the child and the pelvic planes in childbirth. Synonym: obliquity. Origin: G. A-priv. + syn-klino, to incline together (05 Mar 2000) |
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| anterior asynclitism | Inclination of the foetal head in cases of flat pelvis, so that the biparietal diameter is oblique in relation to the plane of the pelvic brim, the anterior parietal bone presenting to the parturient canal. Synonym: anterior asynclitism. (05 Mar 2000) |
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| posterior asynclitism | Inclination of the foetal head so that the biparietal diameter is oblique in relation to the plane of the pelvic brim, the posterior parietal bone presenting to the parturient canal. Synonym: posterior asynclitism. (05 Mar 2000) |