| plica umbilicalis medialis | A fold of peritoneum on the lower part of the anterior abdominal wall that covers the obliterated umbilical artery on either side of the urachus. Synonym: plica umbilicalis medialis, plica hypogastrica. (05 Mar 2000) |
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| plica umbilicalis mediana | A fold of peritoneum on the anterior wall of the abdomen covering the urachus, or remains of the allantoic stalk. Synonym: plica umbilicalis mediana, middle umbilical fold, plica umbilicalis media, plica urachi, urachal fold. (05 Mar 2000) |
| sulcus venae umbilicalis | <anatomy, vein> The sulcus on the foetal liver occupied by the umbilical vein. Synonym: sulcus venae umbilicalis. (05 Mar 2000) |
| incisura umbilicalis | The notch in the inferior border of the liver that accommodates the round ligament. Synonym: incisura ligamenti teretis hepatis, incisura umbilicalis, umbilical notch. (05 Mar 2000) |
| fossa venae umbilicalis | A cleft on the inferior surface of the liver, running from the inferior border to the left extremity of the porta hepatis; it lodges the round ligament of the liver. Synonym: fissura ligamenti teretis, fissure for ligamentum teres, fossa venae umbilicalis, umbilical fissure, umbilical fossa. (05 Mar 2000) |
| funiculus umbilicalis | The flexible structure, giving passage to the umbilical arteries and vein, which connects the embryo or foetus to the placenta. (12 Dec 1998) |