lateral folds

lat·er·al folds

ventral foldings of the lateral margins of the embryonic disc, the development of which helps establish the definitive embryonic body form.

lat·er·al folds

(lat'ĕr-ăl fōldz)
Ventral foldings of the lateral margins of the embryonic disc, the development of which establishes the embryonic body form.
References in periodicals archive ?
2,3) The abdominal wall is normally formed from the fusion of the cephalic, caudal and right and left lateral folds of the mesoderm.
Vascular disruption of the right lateral fold allowing the abdominal contents to herniate.