RT Book, Section A1 Fleischer, Arthur C. A1 Jones, Howard W A1 Toy, Eugene C. A2 Fleischer, Arthur C. A2 Abramowicz, Jacques S. A2 Gonçalves, Luis F. A2 Manning, Frank A. A2 Monteagudo, Ana A2 Timor, Ilan E. A2 Toy, Eugene C. SR Print(0) ID 1151027925 T1 Sonographic Examination of the Uterine Cervix T2 Fleischer's Sonography in Obstetrics and Gynecology: Textbook and Teaching Cases, 8e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781259641367 LK obgyn.mhmedical.com/content.aspx?aid=1151027925 RD 2024/04/20 AB Key TermsCervical funnel: a funnel is defined as dilation of the upper portion of the cervical canal and is a risk factor for preterm delivery.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.Funnel shape: the funnel of the cervix can be narrow (V-shaped) or more progressive (U-shaped).Sludge: particulate matter in amniotic fluid seen in proximity of the internal cervical os during a transvaginal sonographic examination of the cervix.