asynclitism

Absence of synclitism or parallelism; may be used, e.g., to refer to the axis of the presenting part of the child and the pelvic planes in childbirth, to the dental arches, or to the planes of the skull. SYN: obliquity. [G. a- priv. + syn-klino, to incline together]
- anterior a. SYN: Nägele obliquity.
- posterior a. SYN: Litzmann obliquity.
- a. of the skull SYN: plagiocephaly.

* * *

asyn·clit·ism (')ā-'sin-klə-.tiz-əm, -'siŋ- n presentation of the fetal head during childbirth with the axis oriented obliquely to the axial planes of the pelvis

* * *

n.
tilting of the fetal skull towards one or other shoulder causing the top of the skull to be either nearer to the sacrum (anterior asynclitism or Naegele's obliquity) or nearer to the pubis (posterior asynclitism or Litzmann's obliquity). These mechanisms enable the fetal head to pass more easily through the maternal pelvis.

* * *

asyn·cli·tism (ə-sinґklĭ-tiz-əm) [a-1 + synclitism] 1. lateral deflection of the fetal head in labor so that the sagittal suture is deflected anteriorly toward the symphysis or posteriorly toward the sacrum. 2. dyserythropoiesis.

Medical dictionary. 2011.

Look at other dictionaries:

  • asynclitism — n. tilting of the fetal skull towards one or other shoulder causing the top of the skull to be either nearer to the sacrum (anterior asynclitism or Naegele s obliquity) or nearer to the pubis (posterior asynclitism or Litzmann s obliquity). These …   The new mediacal dictionary

  • asynclitism — noun the presentation during labor of the head of the fetus at an abnormal angle • Syn: ↑obliquity • Hypernyms: ↑abnormality, ↑abnormalcy • Part Holonyms: ↑parturiency, ↑labor, ↑ …   Useful english dictionary

  • Асинклитизм (Asynclitism) — наклон черепа плода к плечу, приводящий к тому, что верхушка его черепа либо приближается к крестцу (передний асинклитизм (anterior asynclitism), или асинклитизм Негсле (Naegelc s obliquity)), либо к лобковой кости (задний асинклитизм (posterior… …   Медицинские термины

  • anterior asynclitism — Nдgele obliquity …   Medical dictionary

  • posterior asynclitism — Litzmann obliquity …   Medical dictionary

  • АСИНКЛИТИЗМ — (asynclitism) наклон черепа плода к плечу, приводящий к тому, что верхушка его черепа либо приближается к крестцу (передний асинклитизм (anterior asynclitism), или асинклитизм Негсле (Naegelcs obliquity)), либо к лобковой кости (задний… …   Толковый словарь по медицине

  • Asynclitic birth — An asynclitic birth refers to the position of a baby in the uterus such that the head is tilted to the side [http://spinningbabies.com/index.php?option=com content task=view id=60 Itemid=28 Asynclitism in labor] , spinningbabies.com] . Most… …   Wikipedia

  • obliquity — SYN: asynclitism. Litzmann o. inclination of the fetal head so that the biparietal diameter is oblique in relation to the plane of the pelvic brim, the …   Medical dictionary

  • Litzmann obliquity — inclination of the fetal head so that the posterior parietal bone presents to the parturient canal; called also posterior asynclitism. Obliquity. (A), Concordance of the fetal and pelvic planes, synclitism; (B), Litzmann obliquity (posterior… …   Medical dictionary

  • Forceps in childbirth — Intervention ICD 9 CM 72.0 72.4 Forceps are a surgical instrument that resembles a pair of tongs and …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.