Answer:
Vesicular follicle.
Explanation:
Vesicular follicle is also known as graffian follicle. The primordial follicle grows in size to form primary follicles. Primary follicles further grows and form secondary follicles.
Under the influence of follicle stimulating hormone, the secondary follicle changes into vesicular follicle. The vesicular follicle ultimately ruptures and release the oocyte.
Thus, the correct answer is option (C).
