Anatomy and Histology of the Cervix

  • Alex Ferenczy

Abstract

The cervix (term taken from the Latin, meaning “neck”) is the most inferior portion of the uterus protruding into the upper vagina. The vagina is fused circumferentially and obliquely around the distal part of the cervix, dividing it into an upper, supravaginal and lower, vaginal portion.17 The cervix measures in the adult nulligravida 2.5 to 3.0 cm in length, and its normal position is slightly angulated downward and backward. The vaginal portion (portio vaginalis) of the cervix, also referred to as the exocer-vix, is delimited by the anterior and posterior fornices and has a convex elliptical surface. It is centered by the external os, a circular (in the nulligravida) or slitlike (in the parous woman) opening (Fig. 5.1). The portio may be divided into anterior and posterior lips, of which the anterior is shorter and projects lower than its posterior counterpart. The external os is interconnected with the isthmus (internal os) by the cervical canal.

Keywords

Squamous Epithelium Columnar Epithelium Cervical Canal Cervical Mucus Superficial Cell 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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© Springer Science+Business Media New York 1982

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  • Alex Ferenczy

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