Multiple choice

The medium of communication between cervical cavity and the vagina is ________.

  1. external orifice

  2. canal of the cervix

  3. internal orifice

  4. supravaginal portion

  5. vaginal portion
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A Correct answer
Explanation

The external orifice of the uterus (or ostium of uterus, or external os) is a small, depressed, somewhat circular aperture on the rounded extremity of the vaginal portion of the cervix. Through this aperture, the cervical cavity communicates with that of the vagina.

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