action force definition, action force meaning | English dictionary. action. 7 the operating mechanism, esp. in a piano, gun, watch, etc. n (Physics) the supposed interaction of two separated bodies without any intervening medium.
The myometrium is the middle layer of the uterine wall, consisting mainly of uterine smooth muscle cells (also called uterine myocytes), but also of supporting stromal and vascular tissue. Its main function is to induce uterine contractions.
Usually, in a bland myxoid smooth muscle tumor, the tumor cells are small, but in hydropic degeneration, the tumor cells are the size of normal smooth muscle cells. Epithelioid uterine smooth muscle tumors are characterized by polygonal cells with centrally placed, round nuclei.he majority of uterine smooth muscle tumors occur in the corpus, but the cervix, vaginal canal, broad ligament, and ovaries may also be involved. Within the corpus, the tumors are categorized on the basis of their anatomic location.