<unk>  (LBWC) is a rare fetal malformation of unknown origins. Traditionally diagnosis has been based on the Van Allen et al., criteria, i.e. the presence of two out of three of the following anomalies: # Exencephaly or encephalocele with facial clefts # Thoraco and or abdominoschisis and #<unk>  defects. LBWC occurs in approximately 0.32 in 100,000 births. At this time, there is no known cause of<unk> . However, there have been tentative links made between a diagnosis of LBWC and cocaine use. In addition, current research has shown that there may be a genetic cause for a small limited number of LBWC cases.<unk>  is a lethal birth defect. There are only anecdotal stories of survivors.
Limb body wall complex
Neuroeffector junction
Muscle spindle
Root sheath 
Neuromere
Subtitles
Lines of Zahn
Nerve fascicle