TY - CHAP M1 - Book, Section TI - SONOGRAPHIC EXAMINATION OF THE UTERINE CERVIX A1 - Hassan, Sonia S. A1 - Chaiworapongsa, Tinnakorn A1 - Vaisbuch, Edi A1 - Gervasi, Maria-Teresa A1 - Romero, Roberto J. A2 - Fleischer, Arthur C. A2 - Toy, Eugene C. A2 - Lee, Wesley A2 - Manning, Frank A. A2 - Romero, Roberto J. PY - 2015 T2 - Sonography in Obstetrics and Gynecology: Principles & Practice, 7e AB - DefinitionsCervical funnel: a funnel is defined as dilation of the upper portion of the cervical canal.Cervical length: the distance between the internal and external os of the uterine cervix, also known as the endocervical canal.Cervical ripening: the anatomic, biophysical, and biochemical processes that underlie the changes in cervical consistency, effacement, and dilation that generally precede the onset of spontaneous labor.Sludge: particulate matter in amniotic fluid seen in proximity of the internal cervical os during a transvaginal sonographic examination of the cervix. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/12/11 UR - obgyn.mhmedical.com/content.aspx?aid=1106709698 ER -