Definitions
- Uterine fundus: Located above the insertion of the fallopian tubes.
- Uterine body (Corpus): The largest and central segment of the uterus, extending from the uterine fundus to the isthmus.
- Uterine cervix: The inferior segment that projects into the vagina.
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vagina.
Caine M, Monaghan S, Macnab W. Uterine physiology. Anaesthesia & Intensive Care Medicine, 2022; 23, 341-343
Uterine cornua: The superolateral angle of the uterine fundus (it is not the fallopian tube, although the interstitial segment of the tube passes through it).
Endometrium: The mucosal lining of the uterine cavity. It consists of the functional layer (functionalis) and the basal layer (basalis).
Myometrium: The smooth muscle layer of the uterine wall.
Zhai J, Vannuccini S, Petraglia F, Giudice LC. Adenomyosis: Mechanisms and Pathogenesis. Semin Reprod Med. 2020 May;38(2-03):129-143. doi: 10.1055/s-0040-1716687. Epub 2020 Oct 8. PMID: 33032339; PMCID: PMC7932680.
Perimetrium (Serosa): The outermost layer of the uterine wall, also referred to as the visceral peritoneum.
Junctional Zone (Inner Myometrium): Located immediately beneath the endometrium (subendometrial). It may be poorly defined during puberty, post-menopause, or in patients undergoing hormonal therapy
STEPHAN-BLANCHARD, E. et al. Uterine adenomyosis: a review of current and future imaging diagnostic strategies. Ultrasound in Obstetrics & Gynecology, v. 61, n. 3, p. 289-301, mar. 2023.
VAN DEN BOSCH, T. et al. Terms, definitions and measurements to describe the sonographic features of the myometrium and uterine causes of abnormal uterine bleeding (MUSA): a consensus opinion from the Morphological Uterus Sonographic Assessment (MUSA) group. Ultrasound in Obstetrics & Gynecology, v. 35, n. 4, p. 475-490, abr. 2010.
STEPHAN-BLANCHARD, E. et al. Uterine adenomyosis: a review of current and future imaging diagnostic strategies. Ultrasound in Obstetrics & Gynecology, v. 61, n. 3, p. 289-301, mar. 2023.
Uterine cervix: A subperitoneal structure surrounded by the parametrium.
Parametrium: The connective tissue lateral to the uterine cervix (containing vessels, nerves, and lymphatics).
Paracervix: A broader term referring to the connective tissue that surrounds the cervix laterally, anteriorly, and posteriorly.
LOBO, R. A. et al. Comprehensive Gynecology. 7. ed. Philadelphia: Elsevier, 2017.
KHOURY-COLLADO, F.; ZIVANOVIC, O.; ABU-RUSTUM, N. R. The lateral infraureteral parametrium: myth or reality? Gynecologic Oncology, v. 123, n. 3, p. 561-564, dez. 2011.
COLOMBO, N. et al. Skeletal muscle metastasis from cervical cancer: A case report and review of the literature. Gynecologic Oncology, v. 124, n. 1, p. 166-169, jan. 2012. P: paramétrio C: colo uterino V: vagina