This content is also available in: Italiano Español Čeština Magyar Polski

Bookmark (0)

No account yet? Register

The anatomy of the uterine cervix

Diagram of the female reproductive system… (Ross and Wilson: Anatomy and Physiology in health and illness; figure 19.3)
Lateral view of the female reproductive organs to show relationship to rectum and bladder… (Ross and Wilson: Anatomy and Physiology in health and illness; figure 19.4)

 

The nulliparous cervix: note the small round os
The multiparous cervix
The cervix after menopause: note narrow os

 

Main anatomical regions of the cervix

Original squamocolumnar junction at external os in prepubertal cervix.
Adolescence produces eversion of endocervical epithelium and exposure to the vaginal environment- note relocation of squamocolumnar junction.
Squamocolumnar junction within endocervical canal after the menopause.
Histological section showing squamocolumnar junction: this region is susceptable to hormonal changes and its location changes during reproductive life.