The ovarian surface epithelium, also called the germinal epithelium of Waldeyer, or coelomic epithelium, is a layer of simple squamous-to-cuboidal epithelial cells covering the ovary.
Histology of ovarian surface epithelium. H&E stain. The epithelium is the chain-like covering with round dark blue nuclei at top.
The mesoderm is the middle layer of the three germ layers that develops during gastrulation in the very early development of the embryo of most animals. The outer layer is the ectoderm, and the inner
Cytology of normal mesothelium, with typical features. Wright's stain.