Although not strictly about hysterectomy, this uterus model video is about the organ on which hysterectomy is performed. In just 59 seconds, it enumerates all the parts of an uterus:

fundus the body
the isthmus the cervix
uterine cavity the internal os
the cervical canal the external os
the vagina the ovaries
the ovarian artery and vein the infundibulum
the posterior fornix the ampula
the fimbriae of the uterine tube the isthmus
the intramural portions

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