MICROANATOMY

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

Detailed explanation-2: -Answer: The uterus is connected through a narrow opening called the cervix to another tube called the vagina which opens to the outside of the body.

Detailed explanation-3: -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-4: -The lower part of the cervix, known as the vaginal portion of the cervix (or ectocervix), bulges into the top of the vagina. The cervix has been documented anatomically since at least the time of Hippocrates, over 2, 000 years ago. Cervix. The human female reproductive system.