Which of the following primordial reproductive structures is

Which of the following primordial reproductive structures is NOT external?

A) Urogenital sinus

B) Genital tubercle

C) Urogenital folds

D) Labioscrotal swelling

Solution

Urogenital sinus is the promordial structure not external. It is present only in the develovement of Reproductive organs.It is divided in to three main regions upper , phallic and pelvic.