Zoology - Human Reproduction Question with Solution | TestHub

Following changes occur in the secondary follicle after which it is immediately converted to tertiary follicle:

A. Development of a fluid-filled cavity called antrum.
B. Differentiation of theca layer into theca interna (inner) and theca externa (outer).
C. Primary oocyte grows in size, completes meiosis-I (unequal division) resulting in the formation of a large haploid secondary oocyte and a small first polar body.