abnormal motile primary cilium morphology decreased embryonic cilium number MP:0013197 MPheno.ontology decreased embryonic cilia number decreased motile primary cilia number decreased motile primary cilium number decreased nodal primary cilia number decreased nodal primary cilium number reduced embryonic cilia number reduced embryonic cilium number reduced motile primary cilia number reduced motile primary cilium number reduced nodal primary cilia number reduced nodal primary cilium number reduced number of the cilia of the mouse embryo found on the cells of the embryonic node