amnionic band

am·ni·on·ic band

[MIM*217100]
strands of amnion following its rupture, which can wrap around limbs, digits, face, and internal organs, causing constriction and amputation; the genetics of it is unclear.
See also: congenital amputation.

am·ni·on·ic band

, amniotic band (am'nē-on'ik band, am'nē-ot'ik)
Strand of amnionic tissue adherent to the embryo or fetus, which constricts the embryonic limbs.
See also: congenital amputation
Synonym(s): amnionic band syndrome, anular band, constriction ring (2) , Simonart bands (1) , Simonart ligaments.
References in periodicals archive ?
The anomalies in which limb defects are common include "ADAM complex"-(Amniotic deformity, adhesions, mutilations) also known as amnionic band rupture sequence (ABRS), Adams oliver syndrome, ectrodactly, syndactly, symbrachydactly etc.
Amnionic bands are the commonest cause of limb malformations as depicted by the literature.