Ovary's surface at ovulation. False-colour scanning electron micrograph of the surface of the ovary about one hour after ovulation. The egg (pink) is visible at centre and was ejected from the depression at top centre. This area is surrounded by follicular cells and fluid (white, turquoise), which formerly provided nutrients and protection to the ovum in the ovary. The ovum is surrounded by a thick layer of cells, the corona radiata and is rolling down the surface of the ovary (brown), known as the germinal epithelium, towards the Fallopian tube. Magnification: x70 at 6x7cm size. Magnification: x102 at 4x5 inch size.
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