Describe and locate the parts of the uterus, including the: fundus, body, corpus, cervix, internal os, external os.
The upper 2/3 of the uterus is the body or corpus and has a dome shaped top and is joined by uterine tubes that enter its wall. The fundus is the rounded portion above the entrance of the uterine tubes. The junction of the uterine cavity is the the cervical canal is called the internal os. The lower end of the cervical canal opens into the vagina and is termed the external os. The cervix surrounds the opening through which the uterus communicates with the vagina.