GENERAL HISTOLOGY

Detailed explanation-1: -The lower, narrow end of the uterus that forms a canal between the uterus and vagina.

Detailed explanation-2: -The cervical opening into the vagina is called the external os; the cavity running the length of the cervix is the endocervical canal; the opening of the endocervical canal into the uterine cavity, the internal os.

Detailed explanation-3: -The major parts of a woman’s reproductive system are the uterus, cervix and the ovaries. The cervix is the entrance to the uterus (womb) from the vagina, while the ovaries store a woman’s lifetime supply of eggs for potential fertilisation (pregnancy).