Development of the oocyte and follicular growth occur in the of the ovary.

Out of the following given choices;

A.      germinal epithelium. B. tunica albuginea. C. medulla. D. cortex.

The answer is D.  The ovarian cortex is the outer portion of the ovary. It lies immediately beneath the tunica albuginea, composed of connective tissue cells and fibers, among which are scattered primary and secondary (antral) follicles in various stages of development. The cortex varies in thickness according to the age of the individual, becoming thinner with advancing years.

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves