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Umbilical cord compression can result from, for example, entanglement of the cord, [16] a knot in the cord, [16] or a nuchal cord, [16] (which is the wrapping of the umbilical cord around the fetal neck) [17] but these conditions do not always cause obstruction of fetal circulation. Velamentous cord insertion; Single umbilical artery; Umbilical ...
In velamentous cord insertion, the vessels of the umbilical cord are improperly inserted in the chorioamniotic membrane, and hence the vessels traverse between the amnion and the chorion towards the placenta. [1] [11] Without Wharton's jelly protecting the vessels, the exposed vessels are susceptible to compression and rupture. [1] [9]
An umbilical cable or umbilical is a cable and/or hose that supplies required consumables to an apparatus, like a rocket, or to a person, such as a diver or astronaut. It is named by analogy with an umbilical cord .
The needle should be guided into the region of the maximum vertical pocket, where the single largest area of amniotic fluid devoid of fetal parts, umbilical cord, and placenta is available for sampling. [4] Amniotic fluid is composed of fetal cells, urine, and lung secretions.
Risk factors for vasa praevia include velamentous insertion of the umbilical cord, placenta praevia in the second semester of the pregnancy, accessory placental lobes (succenturiate or bilobate placenta []), multiple gestation, and assisted reproduction, especially in vitro fertilisation; [2] an estimated 26% of instances are in pregnancies achieved with medical assistance. [3]
The medial umbilical ligament, cord of umbilical artery, or obliterated umbilical artery is a paired structure found in human anatomy. It is on the deep surface of the anterior abdominal wall , and is covered by the medial umbilical folds ( plicae umbilicales mediales ).
A nuchal cord is when the umbilical cord becomes wrapped around the fetus's neck. [1] Symptoms present in the baby shortly after birth from a prior nuchal cord may include duskiness of face, facial petechia, and bleeding in the whites of the eye. [1] Complications can include meconium, respiratory distress, anemia, and stillbirth. [1]
The Umbilical cord stump, left behind after omphalotomy. Omphalotomy is the medical procedure that involves the cutting of the umbilical cord after childbirth. [1] The word omphalotomy is derived from the prefix omphal(o)-, from the Ancient Greek word ὀμφαλός (omphalós), meaning navel, and the suffix-tomy, also from Ancient Greek, meaning incision.