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Q.
After the development of antrum, the follicle becomes
NTA AbhyasNTA Abhyas 2020
Solution:
The secondary follicle acquires more layers of granulosa cells, and a fluid-filled cavity is formed within it; this cavity is known as the antrum and the structure is called the tertiary follicle. The antrum is a peculiar feature of the tertiary follicle, which further matures to form the Graafian follicle.