the maturing changes in the central corneal epithelium of 18 fetuses were observed by transmission electron microscopy , revealing that the corneal epithelium comprised 5-6 layers of cells after the 8th month of gestation , when the basal cells were short columnar in shape with oval , regular nuclei , and the cytoplasmic organelles included mitochondria .
C0007634
cells
C0026237
mitochondria