Select the incorrect match.

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Select the incorrect match., Seminiferous tubules Each lobule contains one to three highly coiled seminiferous tubules in which sperms are produced. These open into the vasa efferentia through rete testis., Fallopian tube The fallopian tube is about 10-12 cm long and extends from the periphery of each ovary to the uterus. The oviducts (fallopian tubes), uterus and vagina constitute the female accessory ducts., Semen At least 60% sperms must have normal shape and size and for at least 40% of them must show vigorous motility. The seminal plasma along with the sperms constitute the semen., Secondary ovarian follicle Primary follicles get surrounded by more layers of granulosa cells to become secondary follicles. In the secondary ovarian follicle, the theca layer is organised into an inner theca interna and an outer theca externa.

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Primary follicles are converted to secondary follicles by getting surrounded by a few more layers of granulosa cells and a new theca. This is an undifferentiated theca. 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).

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