Circumvallation

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Circumvallation

 

a line of entrenchments or ramparts around a besieged fortress. Circumvallation was used until the 19th century by the besieging forces to repulse an attack from enemy forces coming to help the besieged.

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Subsequently, other studies have also shown increased incidence of complications in patients with circumvallate placenta like abruptio placentae, preterm births, IUGR, oligohydramnios, non-reassuring foetal heart rate patterns (4, 5) and even a study reported increased incidence of IUFD as compared to controls (5).
be observed at the center of the circumvallate papillae on gestational
The pedicled fleshy mass extended anteriorly up to the circumvallate line; posteriorly, it stopped short of the vallecula and crossed the midline to the right.
In studies conducted by Benischke, Faye Petersen, Maulik and Salafia et al circumvallate placenta, circummarginate, velamentous insertion of the cord and placenta previa were suggested as possible causes of IUGR.
Clinically, median rhomboid glossitis manifests as a well-delineated erytbematous area located along the midline posterior dorsal tongue just anterior to the circumvallate papillae (figure 1).