Which one of the followings is not the male sex accessory duct?

The correct answer is Option (2) → Infundibulum

The male sex accessory ducts carry sperms from the testis: rete testis, vasa efferentia, epididymis and vas deferens.

Option (1) Rete testis — A male sex accessory duct.

Option (2) Infundibulum — Not a male sex accessory duct. It is the funnel-shaped end of the female oviduct, close to the ovary, with finger-like fimbriae.

Option (3) Epididymis — A male sex accessory duct.

Option (4) Vas deferens — A male sex accessory duct.

NCERT Extract:
The Male Reproductive System – …
The Female Reproductive System – “… Each fallopian tube is about 10-12 cm long and extends from the periphery of each ovary to the uterus (Figure 2.3b), the part closer to the ovary is the funnel-shaped infundibulum. The edges of the infundibulum possess finger-like projections called fimbriae, which help in collection of the ovum after ovulation.”