Stephen J. Schueler, M.D.

Cancer of the Cervix Anatomy

To better understand cervical cancer, it helps to understand the anatomy of the uterus and cervix.

The cervix is a short tube that forms the opening and lower part of the uterus. The cervix lies in the top portion of the vagina. Sperm enter through the cervix to combine with an egg in the uterus. A newborn is delivered through the cervix and vagina from the inside of the uterus.

Anatomy examples:

  • The uterus, cervix, and vaginal canal
  • The bladder
  • The fallopian tubes:
    • These paired structures connect each ovary to the uterus
  • The ovaries:
    • One on each side of the uterus. A normal adult ovary is about the size of an unshelled almond
  • Female organs during a pelvic examination

Last Updated: Nov 1, 2008 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Cancer of the Cervix References
  1. Eddy DM: Screening for cervical cancer. Ann Intern Med 1990 Aug 1; 113(3): 214-26. [2115753]
  2. Ellenson LH, Wu TC. Focus on endometrial and cervical cancer. Cancer Cell. 2004 Jun;5(6):533-8. [15193256]
  3. Schiffman MH, Bauer HM, Hoover RN: Epidemiologic evidence showing that human papillomavirus infection causes most cervical intraepithelial neoplasia. J Natl Cancer Inst 1993 Jun 16; 85(12): 958-64. [8388478]
  4. Sundar S, Horne A, Kehoe S. Cervical cancer. Clin Evid. 2005 Jun;(13):2285-92. [16135328]
  5. Waxman AG. Guidelines for cervical cancer screening: history and scientific rationale. Clin Obstet Gynecol. 2005 Mar;48(1):77-97. [15725861]
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