in the posterior elevation area and the anterior and posterior soft palate area , a narrow band of surface alterations ( ie , surface accumulations of cell blebs , filopodial-like structures , and loss of villi-like cell boundaries ) appeared cranial to a thickened termination of the hard palate epithelium between days 16.9 and 17.7 of ma-age .
C0600315
filopodial
C0007634
cell