rachischisis


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Related to rachischisis: myeloschisis, spina bifida occulta

rachischisis

 [rah-kis´kĭ-sis]
congenital fissure of the spinal column; see also spina bifida.
rachischisis poste´rior spina bifida.

ra·chis·chi·sis

(rā-kis'ki-sis),
1. Embryologic failure of fusion of vertebral arches and neural tube with consequent exposure of neural tissue at the surface; spina bifida cystica with myelocele or myeloschisis.
2. Spinal dysraphism.
[G. rhachis, spine, + schisis, division]

ra·chis·chi·sis

(ră-kis'ki-sis)
1. Embryologic failure of fusion of neural arches and neural tube with consequent exposure of neural tissue at the surface; spina bifida cystica with myelocele or myeloschisis.
2. Spinal dysraphism.
[G. rhachis, spine, + schisis, division]
References in periodicals archive ?
The autopsy imaging by radiography demonstrated complete rachischisis (Figure 4).
The association of sirenomelia with anencephaly and rachischisis totalis is an extremely rare condition; to our knowledge, only eight cases of this association have been reported in the literature [2-4].
Moreover, with a detailed study using the 3D HDlive rendering images, we found other pathological features in this fetus, including rachischisis totalis and absence of the right upper limb.
DISCUSSION: INIENCEPHALY is a rare neural tube defect that results in deficiency of occiput in the region of foramen magnum, spina bifida of considerable extent (up to spinal rachischisis) & cervicothoracic spinal retroflexion (3, 5).