| Type | MGI:General | Description | at E18.5, palatal shelves of the anterior secondary palate fail to fuse with each other and with the nasal septum in the middle part of the secondary palate, the fusion of mesenchymal tissue is impaired by the presence of an epithelial seam an epithelial cyst-like tissue is detected intermittently at the midline of hard palate and soft palate |
