Figure 1: (a) Differentiated squamous epithelium and cutaneous appendages ×100; (b) fibrofatty tissue ×100; (c) immature cartilaginous tissue ×100; (d) mature ganglion cells can be seen in the background of neuroglia ×100; (e) the area surrounding the neuroglia that differentiates into the ependyma is papilliform and covers the cuboidal epithelium ×100; (f) immature neural less than one low-power field ×40