Final answer:
The fundus is the uppermost portion of the uterus, which is located above the opening of the Fallopian tubes, and not a fungus or any other part of the uterus.
Step-by-step explanation:
The fungus in the question likely refers to a typo and the student is actually asking about the fundus of the uterus. The fundus is the uppermost portion of the uterus, above where the Fallopian tubes connect. This area is superior to the opening of the uterine tubes and is not considered part of either the cervix or the body (corpus) of the uterus. In contrast, the lower portion of the uterus is known as the cervix, and it projects into the vagina. The cervix has a canal that runs its length, connecting the uterine cavity to the lumen of the vagina. The middle section of the uterus is referred to as the body of the uterus (or corpus), which is composed of the thick smooth muscle layer known as the myometrium.