abnormal embryonic neuroepithelium morphology abnormal nonmotile primary cilium morphology abnormal embryonic neuroepithelium primary cilium morphology abnormal neural tube cilium morphology abnormal neural tube cilia any structural anomaly of the primary non-motile microtubule-based structures of the embryonic neuroepithelium which are typically short and straight, project apically into the neural tube lumen, and play an essential role in Sonic hedgehog (Shh) signalling and neural tube patterning abnormal embryonic neuroectoderm cilium morphology abnormal embryonic neural ectoderm cilium morphology MPheno.ontology MP:0013213