| Type | MGI:General | Description | shelves are separated from each other and smaller at E14.5 and E16.5 extraversive hypophosphatasia significant decrease in both muscle and mesenchymal cell proliferation at the tensor veli palatini and levator veli palatini levels at E13.5 and E14.5 increase in apoptosis at the the tensor veli palatini, levator veli palatini, and palatopharyngeus levels expression analysis indicates impaired development of the aponeurosis and tendons of the soft palate |