Magnified insets (white frames) show detail of primary cilia (arrowheads) in the embryo; 4V, fourth ventricle. pathognomonic for JBTS (including cerebellar hypoplasia), and retention of abnormal bulbous cilia associated with mild neural tube ventralization. The JBTS-like group TAS4464 had de-regulated … Continue reading Magnified insets (white frames) show detail of primary cilia (arrowheads) in the embryo; 4V, fourth ventricle